Campbell, O. .. e. a., Cleland, J., Collumbien, M., & Southwick, K. (1999). Social science methods for research on reproductive health: HRP (ed.). WHO.
Chicago Style (17. basım) AtıfCampbell, Oona ... et al, John Cleland, Martine Collumbien, ve Karen Southwick. Social Science Methods for Research on Reproductive Health: HRP. ed. Distr: General: WHO, 1999.
MLA (9th ed.) AtıfCampbell, Oona ... et al, et al. Social Science Methods for Research on Reproductive Health: HRP. ed. WHO, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..