Dyfyniad APA

Williams, S. A. (1978). Study guide to accompany physics, parts 1 & 2. Wiley.

Dyfyniad Arddull Chicago

Williams, S A. Study Guide to Accompany Physics, Parts 1 & 2. New York: Wiley, 1978.

Dyfyniad MLA

Williams, S A. Study Guide to Accompany Physics, Parts 1 & 2. Wiley, 1978.

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