Dyfyniad APA

Sears, F. W., Young, H. D., & Zemansky, M. W. (1980). College physics (5th ed.). Addison-Wesley Pub. Co..

Dyfyniad Arddull Chicago

Sears, Francis Weston, Hugh D. Young, and Mark Waldo Zemansky. College Physics. 5th ed. Reading, Mass.: Addison-Wesley Pub. Co., 1980.

Dyfyniad MLA

Sears, Francis Weston, et al. College Physics. 5th ed. Addison-Wesley Pub. Co., 1980.

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