Παραπομπή APA

O'Connor, R. W., & Urban, G. L. (1972). Using a model as a practical management tool for family planning programs.

Παραπομπή Chicago Style

O'Connor, R W., και G L. Urban. Using a Model As a Practical Management Tool for Family Planning Programs. 1972.

Παραπομπή MLA

O'Connor, R W., και G L. Urban. Using a Model As a Practical Management Tool for Family Planning Programs. 1972.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.