Gaya APA
Huizenga,Jann, ., Ruzic, M, T. (1990).
Writing Workout : A Program for New Students of English .
Boston:
Heinle Publishers.
Gaya MLA
Huizenga,Jann, ., Ruzic, Maria, Thomas.
"Writing Workout : A Program for New Students of English".
Boston:
Heinle Publishers,
1990.
Textbook.