Dyfyniad APA

Raymond,Loren A. (1995). Petrology: Study of Igneous,Sedimentary and metamorphic Rocks. Brown.

Dyfyniad Arddull Chicago

Raymond,Loren A. Petrology: Study of Igneous,Sedimentary and Metamorphic Rocks. London: Brown, 1995.

Dyfyniad MLA

Raymond,Loren A. Petrology: Study of Igneous,Sedimentary and Metamorphic Rocks. Brown, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.