Jackson 1997, "trondjhemite". - Jackson, Julia A., ed. (1997). "Friable". Glossary of geology (Fourth ed.). Alexandria, Virginia: American Geological Institute. ISBN 0922152349.
Jackson 1997, "plagiogranite". - Jackson, Julia A., ed. (1997). "Friable". Glossary of geology (Fourth ed.). Alexandria, Virginia: American Geological Institute. ISBN 0922152349.
Philpotts & Ague 2009, pp. 367, 372. - Philpotts, Anthony R.; Ague, Jay J. (2009). Principles of igneous and metamorphic petrology (2nd ed.). Cambridge, UK: Cambridge University Press. ISBN 9780521880060.
Philpotts & Ague 2009, p. 398. - Philpotts, Anthony R.; Ague, Jay J. (2009). Principles of igneous and metamorphic petrology (2nd ed.). Cambridge, UK: Cambridge University Press. ISBN 9780521880060.
Philpotts & Ague 2009, pp. 367, 372. - Philpotts, Anthony R.; Ague, Jay J. (2009). Principles of igneous and metamorphic petrology (2nd ed.). Cambridge, UK: Cambridge University Press. ISBN 9780521880060.
Jackson 1997, "trondjhemite". - Jackson, Julia A., ed. (1997). "Friable". Glossary of geology (Fourth ed.). Alexandria, Virginia: American Geological Institute. ISBN 0922152349.