Παραπομπή APA

FRIEND, J. (2001). Do smoking parents seek the best advice for their asthmatic children? BMJ Group.

Παραπομπή Chicago Style

FRIEND, J. Do Smoking Parents Seek the Best Advice for Their Asthmatic children? BMJ Group, 2001.

Παραπομπή MLA

FRIEND, J. Do Smoking Parents Seek the Best Advice for Their Asthmatic children? BMJ Group, 2001.

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