Dyfyniad APA

American association of physics teachers. (1933). American journal of Physics. American association of physics.

Dyfyniad Arddull Chicago

American association of physics teachers. American Journal of Physics. New York: American association of physics, 1933.

Dyfyniad MLA

American association of physics teachers. American Journal of Physics. American association of physics, 1933.

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