Payne, B. P., & Brewer, E. D. C. (1989). Gerontology in theological education. Haworth Press.
Chicago Style (17. basım) AtıfPayne, Barbara P., ve Earl D. C. Brewer. Gerontology in Theological Education. New York: Haworth Press, 1989.
MLA (8th ed.) AtıfPayne, Barbara P., ve Earl D. C. Brewer. Gerontology in Theological Education. Haworth Press, 1989.
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