Gaya APA

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

Gaya MLA

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