Dyfyniad APA

Walker Jearl. Halliday & Resnick principles of physics (9th ed.).

Dyfyniad Arddull Chicago

Walker Jearl. Halliday & Resnick Principles of Physics. 9th ed. New Delhi.

Dyfyniad MLA

Walker Jearl. Halliday & Resnick Principles of Physics. 9th ed.

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