Gaya APA
dkk, T, K, L, W, C, S, L, P, S.
(1974).
Optics
.
Malaysia:
Seameo.
Gaya MLA
dkk, Tann, Kim, Loung,, Wamg, Chee, Seng,, Lim, Poh, Seng,.
"Optics".
Malaysia:
Seameo,
1974.
Text.