Gaya APA
English 900 book one. (1976).
New York:
Collier Macmillan International, Inc.
Gaya Chicago
English 900 book one.
.
New York:
Collier Macmillan International, Inc,
1976.
Buku.
Gaya MLA
English 900 book one.
.
New York:
Collier Macmillan International, Inc,
1976.
Buku.
Gaya Turabian
English 900 book one.
New York:
Collier Macmillan International, Inc,
1976.
Buku.