Dyfyniad APA

American Association of Physics Teachers & American Institute of Physics. The American physics teacher. Published for the American Association of Physics Teachers by the American Institute of Physics.

Dyfyniad Arddull Chicago

American Association of Physics Teachers and American Institute of Physics. The American Physics Teacher. New York: Published for the American Association of Physics Teachers by the American Institute of Physics.

Dyfyniad MLA

American Association of Physics Teachers and American Institute of Physics. The American Physics Teacher. Published for the American Association of Physics Teachers by the American Institute of Physics.

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