Soewarno, S., & Yuningsih, S. (2004). Hydrological Characteristics of Kaligarang Watershed. Universitas Muhammadiyah Surakarta.
Cita Chicago Style (17a ed.)Soewarno, Soewarno, y Srimulat Yuningsih. Hydrological Characteristics of Kaligarang Watershed. Universitas Muhammadiyah Surakarta, 2004.
Cita MLA (9a ed.)Soewarno, Soewarno, y Srimulat Yuningsih. Hydrological Characteristics of Kaligarang Watershed. Universitas Muhammadiyah Surakarta, 2004.
Precaución: Estas citas no son 100% exactas.