Sager, D. S. (1907). The art of living in good health: A practical guide to well-being through proper eating, thinking, and living in the light of modern science. F. A. Stokes Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sager, Daniel Showers. The Art of Living in Good Health: A Practical Guide to Well-being Through Proper Eating, Thinking, and Living in the Light of Modern Science. New York: F. A. Stokes Co, 1907.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sager, Daniel Showers. The Art of Living in Good Health: A Practical Guide to Well-being Through Proper Eating, Thinking, and Living in the Light of Modern Science. F. A. Stokes Co, 1907.
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