Παραπομπή APA

Raymond, L. A. (2002). Petrology: The study of igneous,sedimentary and metamorphic rocks. Mc Graw hill.

Παραπομπή Chicago Style

Raymond, Loren A. Petrology: The Study of Igneous,sedimentary and Metamorphic Rocks. Boston: Mc Graw hill, 2002.

Παραπομπή MLA

Raymond, Loren A. Petrology: The Study of Igneous,sedimentary and Metamorphic Rocks. Mc Graw hill, 2002.