Krishna Kumar. (2012). A randomised controlled trial comparing the efficacy of withdrawing alpha blocker following initial combination therapy with dual 5 alpha reductase inhibitor (5-ARI) dutasteride compared to continuation of combination therapy in the management of benign prostatic hyperlasia. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Krishna Kumar. A Randomised Controlled Trial Comparing the Efficacy of Withdrawing Alpha Blocker Following Initial Combination Therapy with Dual 5 Alpha Reductase Inhibitor (5-ARI) Dutasteride Compared to Continuation of Combination Therapy in the Management of Benign Prostatic Hyperlasia. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Krishna Kumar. A Randomised Controlled Trial Comparing the Efficacy of Withdrawing Alpha Blocker Following Initial Combination Therapy with Dual 5 Alpha Reductase Inhibitor (5-ARI) Dutasteride Compared to Continuation of Combination Therapy in the Management of Benign Prostatic Hyperlasia. Universiti Kebangsaan Malaysia, 2012.