Gaya APA

Richards, J, A, J., Sears, F, W. (Inc.). Modern university physics. (1964). : Massachusetts :Addison-Wesley Publishing Co.,.

Gaya MLA

Richards, James, A.,, JR.., Sears, Francis, Weston. "Modern university physics.". 1964 : Massachusetts :Addison-Wesley Publishing Co.,, Inc.. Text.