Spiro R T, S. R. L. (2013). Management of sales Force (11th.). Mc Graw Hill Education.
芝加哥风格引文Spiro R T, Stanton R L. Management of Sales Force. 11th. New Delhi: Mc Graw Hill Education, 2013.
MLA引文Spiro R T, Stanton R L. Management of Sales Force. 11th. Mc Graw Hill Education, 2013.
警告：这些引文格式不一定是100％准确.