Citazione Stile APA (7a Edizione)

Grenard, S., & Traverse, N. (1981). Introduction to respiratory therapy. Year Book Medical Ppublishers.

Citazione stile Chigago Style (17a edizione)

Grenard, Steve, e Normen Traverse. Introduction to Respiratory Therapy. Chicago: Year Book Medical Ppublishers, 1981.

Citatione MLA (9a ed.)

Grenard, Steve, e Normen Traverse. Introduction to Respiratory Therapy. Year Book Medical Ppublishers, 1981.