Gaya APA
1898, S., F., W. et al. (1991).
College physics / Francis W. Sears, Malk Zemansky, Hugh D. Young (Ed.ke-7).
Reading:
.
Gaya MLA
Sears, Francis, Weston,, 1898. et al.
"College physics / Francis W. Sears, Malk Zemansky, Hugh D. Young".
Ed.ke-7
Reading:
,
1991.
Textbook.