Gaya APA

Estimation of demand function for chemical fertilizer with respect to food crops in Java Island. (2005). Yogyakarta: Program Pasca Sarjana Universitas Gadjah Mada.

Gaya MLA

Estimation of demand function for chemical fertilizer with respect to food crops in Java Island. . Yogyakarta: Program Pasca Sarjana Universitas Gadjah Mada, 2005. Artikel.