Walter, T., & Siebert, A. (1984). Student success: How to do better in college and still have time for your friends (3rd ed.). Holt, Rinehart, and Winston.
Cita Chicago (17th ed.)Walter, Tim, i Al Siebert. Student Success: How to Do Better in College and Still Have Time for Your Friends. 3rd ed. New York: Holt, Rinehart, and Winston, 1984.
Cita MLA (9th ed.)Walter, Tim, i Al Siebert. Student Success: How to Do Better in College and Still Have Time for Your Friends. 3rd ed. Holt, Rinehart, and Winston, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.