Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.