Tables in HTML documents http://www.w3.org/TR/html4/struct/tables.html#adef-cellpadding
cellPadding property (table) JavaScript http://help.dottoro.com/ljnnunde.php
"How to Specify Table Cellpadding and Cellspacing in CSS | Easy Programing". Archived from the original on 2013-10-16. Retrieved 2013-10-31. https://web.archive.org/web/20131016044406/http://easyprograming.com/index.php/html-a-css/56-how-to-specify-table-cellpadding-and-cellspacing-in-css
RFC 1942 – HTML Tables http://tools.ietf.org/html/rfc1942
Goodman, Danny. Dynamic HTML: The Definitive Reference https://books.google.com/books?id=GEQlVcVf_zkC&pg=PA255
Cellpadding and Cellspacing – The Pocket HTML Tutorial http://www.goer.org/HTML/tables/cellpadding_and_cellspacing/
William R. Stanek (1997). Web publishing unleashed. Sams.net. ISBN 9781575211985. 9781575211985
How to set cellpadding and cellspacing in CSS? https://stackoverflow.com/questions/339923/how-to-set-cellpadding-and-cellspacing-in-css
CompX Digital. HTML5 for Web Designers. CompX Digital. pp. 18–. GGKEY:PDWT9YZB032. https://books.google.com/books?id=Yey8AwAAQBAJ&pg=PA18
Jennifer Niederst Robbins (7 August 2012). Learning Web Design: A Beginner's Guide to HTML, CSS, JavaScript, and Web Graphics. "O'Reilly Media, Inc.". pp. 142–. ISBN 978-1-4493-3755-1. 978-1-4493-3755-1
Steven E. Callihan (2002). Cascading Style Sheets (CSS) by Example. Que Publishing. pp. 281–. ISBN 978-0-7897-2617-9. 978-0-7897-2617-9
Christopher Schmitt (15 December 2009). CSS Cookbook. "O'Reilly Media, Inc.". pp. 453–. ISBN 978-1-4493-8294-0. 978-1-4493-8294-0