Nelson, R. (2009). The greatest sales training in the world. Jaico Publishing House.
芝加哥风格引文Nelson, Robert. The Greatest Sales Training in the World. Ahmedabad: Jaico Publishing House, 2009.
MLA引文Nelson, Robert. The Greatest Sales Training in the World. Jaico Publishing House, 2009.
警告：这些引文格式不一定是100％准确.