Gaya APA

Kusumastuti, T, A., Sembiring, S. (2019). Sistem Pertanian Terpadu . Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Kusumastuti, Tri, Anggraeni., Sembiring, Sarim. "Sistem Pertanian Terpadu". Yogyakarta: Gadjah Mada University Press, 2019. Text.