Não informado. (1989). Contemporary Urology. Medical Economics.
Chicago (17e ed.) BronvermeldingNão informado. Contemporary Urology. Montvale, NJ: Medical Economics, 1989.
MLA (8e ed.) BronvermeldingNão informado. Contemporary Urology. Medical Economics, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.