Dyfyniad APA
Zemansky, M. W., & Dittman, R. H. (1997). Heat and thermodynamics (7th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Zemansky, M. W., and R. H. Dittman. Heat and Thermodynamics. 7th ed. New Delhi: McGraw-Hill, 1997.
Dyfyniad MLA
Zemansky, M. W., and R. H. Dittman. Heat and Thermodynamics. 7th ed. McGraw-Hill, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.