, R., & , D. A. M. W. (2009). Implementasi community development di Pertamina UP VI Balongan Indramayu. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style Citation, RIDWANULLAH, and Dr. Anna Marie Wattie. Implementasi Community Development Di Pertamina UP VI Balongan Indramayu. [Yogyakarta] : Universitas Gadjah Mada, 2009.
MLA引文, RIDWANULLAH, and Dr. Anna Marie Wattie. Implementasi Community Development Di Pertamina UP VI Balongan Indramayu. [Yogyakarta] : Universitas Gadjah Mada, 2009.
警告：這些引文格式不一定是100％准確.