Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.