Zeigler, E. F. (1964). Philosophical foundations for physical, health, and recreation education. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZeigler, Earle F. Philosophical Foundations for Physical, Health, and Recreation Education. Englewood Cliffs, N.J: Prentice-Hall, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZeigler, Earle F. Philosophical Foundations for Physical, Health, and Recreation Education. Prentice-Hall, 1964.
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