APA-ийн эшлэл(7 дахь хэвлэлт)

Nelson, R. (2009). The greatest sales training in the world. Jaico Publishing House.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Nelson, Robert. The Greatest Sales Training in the World. Ahmedabad: Jaico Publishing House, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Nelson, Robert. The Greatest Sales Training in the World. Jaico Publishing House, 2009.