Dyfyniad APA

Cutnell, J. D., & Johnson, K. W. (2006). Essentials of physics. Wiley.

Dyfyniad Arddull Chicago

Cutnell, John D., and Kenneth W. Johnson. Essentials of Physics. Hoboken, N.J: Wiley, 2006.

Dyfyniad MLA

Cutnell, John D., and Kenneth W. Johnson. Essentials of Physics. Wiley, 2006.

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