Dyfyniad APA

American journal of physics (monthly). American Institute of Physics.

Dyfyniad Arddull Chicago

American Journal of Physics (monthly). American Institute of Physics.

Dyfyniad MLA

American Journal of Physics (monthly). American Institute of Physics.

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