Abdullah, H. A. (2012). Factor Influencing Sales Force Motivation: A Study of Pharmaceutical Industry in Aden, Yemen.
芝加哥风格引文Abdullah, Hanan Ali. Factor Influencing Sales Force Motivation: A Study of Pharmaceutical Industry in Aden, Yemen. 2012.
MLA引文Abdullah, Hanan Ali. Factor Influencing Sales Force Motivation: A Study of Pharmaceutical Industry in Aden, Yemen. 2012.
警告：这些引文格式不一定是100％准确.