Mangila, E., Tabiliran, F. P., Naguit, M. R. A., & Malate, R. (2007). Effects of organic fertilizer on the yield of watermelon. The Threshold: the Official Research Journal of Jose Rizal Memorial State University, Zamboanga del Norte.
Chicago-referens (17:e uppl.)Mangila, Elizabeth, Francisco P. Tabiliran, Maria Rio A. Naguit, och Renato Malate. "Effects of Organic Fertilizer on the Yield of Watermelon." The Threshold: The Official Research Journal of Jose Rizal Memorial State University, Zamboanga Del Norte 2007.
MLA-referens (9:e uppl.)Mangila, Elizabeth, et al. "Effects of Organic Fertilizer on the Yield of Watermelon." The Threshold: The Official Research Journal of Jose Rizal Memorial State University, Zamboanga Del Norte, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.