Gaya APA
Day, R, A.
(1998).
How_to_write_and_publish_a_scientific
.
Semarang:
Handly & Belfus.
Gaya MLA
Day, Robert, A..
"How_to_write_and_publish_a_scientific".
Semarang:
Handly & Belfus,
1998.
PERAWAT.