Gaya APA

Widodo, S. (1989). Production Efficiency of Rice Farmers In Java-Indonesia (Cetakan 1). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Widodo, Sri. "Production Efficiency of Rice Farmers In Java-Indonesia". Cetakan 1 Yogyakarta: Gadjah Mada University Press, 1989. Text.