Hanudin, E., S.T., S., Radjagukguk, B., & Widya Yuwono, N. (2014). The Effect of Humic Acid and Silicic Acid on P Adsorption by Amorphous Minerals. Elsevier, ScienceDirect.
استشهاد بنمط شيكاغوHanudin, Eko, Sukmawati S.T., Bostang Radjagukguk, و Nasih Widya Yuwono. The Effect of Humic Acid and Silicic Acid On P Adsorption By Amorphous Minerals. Elsevier, ScienceDirect, 2014.
MLA استشهادHanudin, Eko, Sukmawati S.T., Bostang Radjagukguk, و Nasih Widya Yuwono. The Effect of Humic Acid and Silicic Acid On P Adsorption By Amorphous Minerals. Elsevier, ScienceDirect, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.