APA Citation

Loekman Soetrisno, & Retno Winahyu. (1991). Kelapa sawit: Kajian sosial-ekonomi. Yogyakarta: Aditya Media.

Chicago Style Citation

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

MLA Citation

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

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