Dyfyniad APA

McAlester, A. L. (1973). earth: An introduction to the geological and geophysical sciences. Prentice-Hall of India.

Dyfyniad Arddull Chicago

McAlester, Arice Lee. Earth: An Introduction to the Geological and Geophysical Sciences. Englewood Cliffs: Prentice-Hall of India, 1973.

Dyfyniad MLA

McAlester, Arice Lee. Earth: An Introduction to the Geological and Geophysical Sciences. Prentice-Hall of India, 1973.

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