Gaya APA
New English 900. (1978).
New York & London:
Collier Macmillan Internatonal.
Gaya Chicago
New English 900.
.
New York & London:
Collier Macmillan Internatonal,
1978.
Text.
Gaya MLA
New English 900.
.
New York & London:
Collier Macmillan Internatonal,
1978.
Text.
Gaya Turabian
New English 900.
New York & London:
Collier Macmillan Internatonal,
1978.
Print.