Gaya APA
Alan, P., Takala, S. (1984).
HOW TO WRITE WELL IN COLLEGE .
San diego:
Harcourt Brace Jovanovich, Publishers.
Gaya MLA
Alan, Purves., Takala, Sauli.
"HOW TO WRITE WELL IN COLLEGE".
San diego:
Harcourt Brace Jovanovich, Publishers,
1984.
Textbook.