Παραπομπή APA

Newton, R. G. (1993). What makes nature tick? Harward University press.

Παραπομπή Chicago Style

Newton, Roger. G. What Makes Nature Tick? Cambridge: Harward University press, 1993.

Παραπομπή MLA

Newton, Roger. G. What Makes Nature Tick? Harward University press, 1993.