Koenig, H. G. (1994). Aging and God: Spiritual pathways to mental health in midlife and later years. Haworth Pastoral Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKoenig, Harold George. Aging and God: Spiritual Pathways to Mental Health in Midlife and Later Years. New York: Haworth Pastoral Press, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKoenig, Harold George. Aging and God: Spiritual Pathways to Mental Health in Midlife and Later Years. Haworth Pastoral Press, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.