Gaya APA

Mallory, B, F., Cargo, D, N. (1979). Physical Geology (International Student Edition). Auckland: McGraw-Hll Intertional Book Company.

Gaya MLA

Mallory, Bob, F.., Cargo, David, N.. "Physical Geology". International Student Edition Auckland: McGraw-Hll Intertional Book Company, 1979. Text.