Polgar, G., & Promadhat, V. (1971). Pulmonary function testing in children: Techniques and standards. Saunders.
Chicago Style (17th ed.) CitationPolgar, George, and Varuni Promadhat. Pulmonary Function Testing in Children: Techniques and Standards. Philadelphia [u.a.]: Saunders, 1971.
MLA (9th ed.) CitationPolgar, George, and Varuni Promadhat. Pulmonary Function Testing in Children: Techniques and Standards. Saunders, 1971.
Warning: These citations may not always be 100% accurate.