Walter, T., & Siebert, A. (1993). Student success: How to do better in college and still have time for your friends (6th ed.). Harcourt Brace Jovanovich.
Citación estilo ChicagoWalter, Tim, and Al Siebert. Student Success: How to Do Better in College and Still Have Time for Your Friends. 6th ed. Forth Worth: Harcourt Brace Jovanovich, 1993.
Cita MLAWalter, Tim, and Al Siebert. Student Success: How to Do Better in College and Still Have Time for Your Friends. 6th ed. Harcourt Brace Jovanovich, 1993.
Warning: These citations may not always be 100% accurate.