Παραπομπή APA

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

Παραπομπή Chicago Style

Tasch, Paul. Paleobiology of the Invertebrates. Canada: John-Wiley, 1973.

Παραπομπή MLA

Tasch, Paul. Paleobiology of the Invertebrates. John-Wiley, 1973.