Gaya APA

Lepor, H. (1991). Problems in Urology : Controversies and Advances in the Treatment of benign prostatic Hyperplasia . Philadelphia: J.B Lippincott.

Gaya MLA

Lepor, Herbert. "Problems in Urology : Controversies and Advances in the Treatment of benign prostatic Hyperplasia". Philadelphia: J.B Lippincott, 1991. print.