APA Citation

Soetrisno, L., & Retno Winahyu. (1991). Kelapa Sawit: Kajian Sosial Ekonomi. Yogyakarta: Aditya Media.

Chicago Style Citation

Soetrisno, Loekman, and Retno Winahyu. Kelapa Sawit: Kajian Sosial Ekonomi. Yogyakarta: Aditya Media, 1991.

MLA Citation

Soetrisno, Loekman, and Retno Winahyu. Kelapa Sawit: Kajian Sosial Ekonomi. Yogyakarta: Aditya Media, 1991.

Warning: These citations may not always be 100% accurate.