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.
Chicago Style (17th ed.) CitationWalter, 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.
ציטוט 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.
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