Παραπομπή APA

Ladouceur, R. (2009). The old man and his doctor. College of Family Physicians of Canada.

Παραπομπή Chicago Style

Ladouceur, Roger. The Old Man and His Doctor. College of Family Physicians of Canada, 2009.

Παραπομπή MLA

Ladouceur, Roger. The Old Man and His Doctor. College of Family Physicians of Canada, 2009.

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