Παραπομπή APA

Johnson, D., & Jin, Y. (2002). Low-volume obstetrics. Characteristics of family physicians' practices in Alberta.

Παραπομπή Chicago Style

Johnson, David, και Yan Jin. Low-volume Obstetrics. Characteristics of Family Physicians' Practices in Alberta. 2002.

Παραπομπή MLA

Johnson, David, και Yan Jin. Low-volume Obstetrics. Characteristics of Family Physicians' Practices in Alberta. 2002.

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