APA (7 वां संस्करण) प्रशस्ति पत्र

Cho, K. S. (1972). A survey of family planning workers. Korean Institute for Family Planning.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Cho, Kyoung Sik. A Survey of Family Planning Workers. [Seoul]: Korean Institute for Family Planning, 1972.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Cho, Kyoung Sik. A Survey of Family Planning Workers. Korean Institute for Family Planning, 1972.

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