APA aipamena

Smith, R., Ashford, L., Gribble, J., & Clifton, D. (2009). Family planning saves lives (Fourth edition.). Population Reference Bureau.

Chicago Style aipamena

Smith, Rhonda, Lori Ashford, Jay Gribble, and Donna Clifton. Family Planning Saves Lives. Fourth edition. Washington, D.C: Population Reference Bureau, 2009.

MLA aipamena

Smith, Rhonda, et al. Family Planning Saves Lives. Fourth edition. Population Reference Bureau, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.