Dyfyniad APA

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

Dyfyniad Arddull Chicago

Mackenzie, W.S. Atlas of Igneous Rocks and Their Textures. London: Longman, 1982.

Dyfyniad MLA

Mackenzie, W.S. Atlas of Igneous Rocks and Their Textures. Longman, 1982.

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