Gaya APA

ALLISON, Ira S., BLACK,Robert F.. (1955). Geology the Science of a Changing Earth (6th. ed.). New York: McGraw Hill Book Company.

Gaya Chicago

ALLISON, Ira S., BLACK,Robert F.. Geology the Science of a Changing Earth. 6th. ed. New York: McGraw Hill Book Company, 1955. Teks.

Gaya MLA

ALLISON, Ira S., BLACK,Robert F.. Geology the Science of a Changing Earth. 6th. ed. New York: McGraw Hill Book Company, 1955. Teks.

Gaya Turabian

ALLISON, Ira S., BLACK,Robert F.. Geology the Science of a Changing Earth. 6th. ed. New York: McGraw Hill Book Company, 1955. Teks.