Huizenga & Thomas-Ruzic. (1990). Writing workout: A program for new students of English. Heinle-Heinle.
Chicago Style (17th ed.) CitationHuizenga and Thomas-Ruzic. Writing Workout: A Program for New Students of English. Boston: Heinle-Heinle, 1990.
MLA (9th ed.) CitationHuizenga and Thomas-Ruzic. Writing Workout: A Program for New Students of English. Heinle-Heinle, 1990.
Warning: These citations may not always be 100% accurate.