Gaya APA

Anstey, R, L., Chase, T, L. (1974). Environments Through Time A Laboratory Manual in the Interpretation of Ancient Sediments and Organisms . : Burgess Publishing Company.

Gaya MLA

Anstey, Robert, L., Chase, Terry, L. "Environments Through Time A Laboratory Manual in the Interpretation of Ancient Sediments and Organisms". : Burgess Publishing Company, 1974. Text.