Gallup, G., & Evan Hill. (1960). The secrets of long life. Bernard Geis.
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Chicago Style (17th ed.) Citation
Gallup, George, and Evan Hill. The Secrets of Long Life. New York: Bernard Geis, 1960.
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ציטוט MLA
Gallup, George, and Evan Hill. The Secrets of Long Life. Bernard Geis, 1960.
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אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.