Παραπομπή σε μορφή APA (7η εκδ.)

Nugraha, I. S., Alamsyah, A., & Sahuri, S. (2018). Effort to increase rubber farmers’ income when rubber low prices. Master Program in Economics, Graduate Program of Universitas Jambi.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nugraha, Iman Satra, Aprizal Alamsyah, και Sahuri Sahuri. Effort to Increase Rubber Farmers’ Income When Rubber Low Prices. Master Program in Economics, Graduate Program of Universitas Jambi, 2018.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nugraha, Iman Satra, et al. Effort to Increase Rubber Farmers’ Income When Rubber Low Prices. Master Program in Economics, Graduate Program of Universitas Jambi, 2018.