Παραπομπή APA

Clark, J. (2001). Preventive home visits to elderly people: Their effectiveness cannot be judged by randomised controlled trials. BMJ.

Παραπομπή Chicago Style

Clark, J. Preventive Home Visits to Elderly People: Their Effectiveness Cannot Be Judged By Randomised Controlled Trials. BMJ, 2001.

Παραπομπή MLA

Clark, J. Preventive Home Visits to Elderly People: Their Effectiveness Cannot Be Judged By Randomised Controlled Trials. BMJ, 2001.

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