Dyfyniad APA

Ewen, D., Nelson, R. J., & Schurter, N. (1993). Physics for career education (4th ed.). Regents/Prentice Hall.

Dyfyniad Arddull Chicago

Ewen, Dale, Ronald J. Nelson, and Neil Schurter. Physics for Career Education. 4th ed. New Jersey: Regents/Prentice Hall, 1993.

Dyfyniad MLA

Ewen, Dale, et al. Physics for Career Education. 4th ed. Regents/Prentice Hall, 1993.

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