Παραπομπή APA

Tasch, P. (1973). Paleobiology of the invertebrates. John wiley.

Παραπομπή Chicago Style

Tasch, Paul. Paleobiology of the Invertebrates. Newyork: John wiley, 1973.

Παραπομπή MLA

Tasch, Paul. Paleobiology of the Invertebrates. John wiley, 1973.