Tohutoro APA (7th ed.)
Swindoll, C. R. (1983). Improving your serve: The art of unselfish living. Word.
Tohutoru Kātū Chicago (17th ed.)
Swindoll, Charles R. Improving Your Serve: The Art of Unselfish Living. Texas: Word, 1983.
Tohutoro MLA (9th ed.)
Swindoll, Charles R. Improving Your Serve: The Art of Unselfish Living. Word, 1983.
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