Gaya APA
McCRIMMON, J, M., TRIMMER, J, F, [.
(1984).
Writing with a purpose
(
3th. Ed.)
.
Boston:
Houghton Mifflin.
Gaya MLA
McCRIMMON, James, M.., TRIMMER, Joseph, F., [ed.].
"Writing with a purpose".
3th. Ed.
Boston:
Houghton Mifflin,
1984.
Majalah.