APA aipamena

Harrison, P., & Rowley, J. (1984). Human numbers, human needs. International Planned Parenthood Federation.

Chicago Style aipamena

Harrison, Paul, and John Rowley. Human Numbers, Human Needs. London: International Planned Parenthood Federation, 1984.

MLA aipamena

Harrison, Paul, and John Rowley. Human Numbers, Human Needs. International Planned Parenthood Federation, 1984.

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