Gaya APA

Rowland, R, G. (1991). Problems in Urology : Use of Gastrointestinal Segments in Urologic Surgery . Philadelphia: J.B Lippincott.

Gaya MLA

Rowland, Randall, G. "Problems in Urology : Use of Gastrointestinal Segments in Urologic Surgery". Philadelphia: J.B Lippincott, 1991. print.