Gaya APA

Alfidi, R, J. (1977). Simposium : The radiologic clinics of north america Vol. 15 No. 3 . England: W. B. Saunders Company.

Gaya MLA

Alfidi, Ralph, J.. "Simposium : The radiologic clinics of north america Vol. 15 No. 3". England: W. B. Saunders Company, 1977. Text.