Panjaitan, M. (2016). Peradaban Gotongroyong. Permata AKsara.
Chicago Style (17th ed.) CitationPanjaitan, Merphin. Peradaban Gotongroyong. Permata AKsara, 2016.
MLA (8th ed.) CitationPanjaitan, Merphin. Peradaban Gotongroyong. Permata AKsara, 2016.
Warning: These citations may not always be 100% accurate.