Gaya APA

HADI, C., UTOMO, T. (2013). Preoperative ketorolac effect on postoperative pain on turp patients . Surabaya: Indonesian Urological Association.

Gaya MLA

HADI, Choirul., UTOMO, Trisula. "Preoperative ketorolac effect on postoperative pain on turp patients". Surabaya: Indonesian Urological Association, 2013. Artikel.