Sears, F. W., Zemansky, M. W., & Young, H. D. (2001). University physics (6th ed.). Narosa Pub. House.
Dyfyniad Arddull ChicagoSears, Francis Weston, Mark Waldo Zemansky, and Hugh D. Young. University Physics. 6th ed. New Delhi: Narosa Pub. House, 2001.
Dyfyniad MLASears, Francis Weston, et al. University Physics. 6th ed. Narosa Pub. House, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.