Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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