World Education (Organization : U.S.), Keehn, T. B., & Harman, D. (1971). Functional education for family life planning. World Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Education (Organization : U.S.), Thomas B. Keehn, और David Harman. Functional Education for Family Life Planning. New York: World Education, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Education (Organization : U.S.), et al. Functional Education for Family Life Planning. World Education, 1971.
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