Gaya APA

Maitre, R, W, L. (2002). Igneous Rocks a Classifcation and Glossary of terms (Ed. 2). Cambridge: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

Maitre, R, W, Le. "Igneous Rocks a Classifcation and Glossary of terms". Ed. 2 Cambridge: CAMBRIDGE UNIVERSITY PRESS, 2002. Text.