Παραπομπή APA

Oliver, J., & Webb, D. J. (2002). Sildenafil for “blue babies”: Such unlicensed drug use might be justified as last resort. BMJ Group.

Παραπομπή Chicago Style

Oliver, James, και David J. Webb. Sildenafil for “blue Babies”: Such Unlicensed Drug Use Might Be Justified As Last Resort. BMJ Group, 2002.

Παραπομπή MLA

Oliver, James, και David J. Webb. Sildenafil for “blue Babies”: Such Unlicensed Drug Use Might Be Justified As Last Resort. BMJ Group, 2002.

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