Gaya APA

Muhammad, B, F. (2009). Agroekosistem Tanah Mineral Masam . Yogyakarta: Gajah Mada University Press.

Gaya MLA

Muhammad, Barchia, Faiz. "Agroekosistem Tanah Mineral Masam". Yogyakarta: Gajah Mada University Press, 2009. Text.