Gaya APA

Krauskopf, K, B., Bird, D, K. (1995). Introduction to geochemistry (cet. ke-3). Singapore: Mc Graw Hill Intrenasional.

Gaya MLA

Krauskopf, Konrad, B.., Bird, Dennis, K.. "Introduction to geochemistry". cet. ke-3 Singapore: Mc Graw Hill Intrenasional, 1995. Text.