Gaya APA

Kusumastuti, T, A., Sembiring, S. (2016). Sistem Pertanian Terpadu (Cet. 1). Yogyakarta: UGM Perss.

Gaya MLA

Kusumastuti, Tri, Anggraeni., Sembiring, Sarim. "Sistem Pertanian Terpadu". Cet. 1 Yogyakarta: UGM Perss, 2016. Text books.