Gaya APA
Sears, F, W., Zemansky, M, W. (1957).
University Physics : Electricity And Magnetism, Optics And Atomic Physics (Edisi 2).
Massachusetts:
Addison Wesley Publishing Company.
Gaya MLA
Sears, Francis, Weston., Zemansky, Mark, W..
"University Physics : Electricity And Magnetism, Optics And Atomic Physics".
Edisi 2
Massachusetts:
Addison Wesley Publishing Company,
1957.
.