Παραπομπή APA

Goodwin, A. M. (1996). Principles of precambrian geology. Academic.

Παραπομπή Chicago Style

Goodwin, Alan M. Principles of Precambrian Geology. London: Academic, 1996.

Παραπομπή MLA

Goodwin, Alan M. Principles of Precambrian Geology. Academic, 1996.