Dyfyniad APA
Cox, A., & Hart, R. B. (1986). Plate tectonics: How it works. Blackwell Scientific Publications.
Dyfyniad Arddull Chicago
Cox, Allan, and Robert Brian Hart. Plate Tectonics: How It Works. Boston: Blackwell Scientific Publications, 1986.
Dyfyniad MLA
Cox, Allan, and Robert Brian Hart. Plate Tectonics: How It Works. Blackwell Scientific Publications, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.