Dyfyniad APA

MacKenzie, W. a. (1982). Atlas of igneous rocks and their textures. Longman.

Dyfyniad Arddull Chicago

MacKenzie, W.S.,et al. Atlas of Igneous Rocks and Their Textures. New York: Longman, 1982.

Dyfyniad MLA

MacKenzie, W.S.,et al. Atlas of Igneous Rocks and Their Textures. Longman, 1982.

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