Gaya APA

Young, H, D., Freedman, R, A. (1996). University physics (9 th.Ed and 11 th). New York: GunungAgung.

Gaya MLA

Young, Hugh, D.., Freedman, Roger, A.. "University physics". 9 th.Ed and 11 th New York: GunungAgung, 1996. Text.