Παραπομπή σε μορφή APA (7η εκδ.)

Sharmin, S., & Islam, M. M. T. (2016). Direct marketing: Challenges and prospects from an experience On Dot com systems. BRAC University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sharmin, Saima, και Mr. Md. Tamzidul Islam. Direct Marketing: Challenges and Prospects from an Experience On Dot Com Systems. BRAC University, 2016.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sharmin, Saima, και Mr. Md. Tamzidul Islam. Direct Marketing: Challenges and Prospects from an Experience On Dot Com Systems. BRAC University, 2016.