Dyfyniad APA

Hurley, J. P., & Garrod, C. (1978). Principles of physics. Houghton Mifflin.

Dyfyniad Arddull Chicago

Hurley, James P., and Claude Garrod. Principles of Physics. Boston: Houghton Mifflin, 1978.

Dyfyniad MLA

Hurley, James P., and Claude Garrod. Principles of Physics. Houghton Mifflin, 1978.

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