GUPTA PARUL. (2018). EXPORT IMPORT MANAGEMENT. MC GRAW HILL EDUCATION.
芝加哥风格引文GUPTA PARUL. EXPORT IMPORT MANAGEMENT. NEW DELHI: MC GRAW HILL EDUCATION, 2018.
MLA引文GUPTA PARUL. EXPORT IMPORT MANAGEMENT. MC GRAW HILL EDUCATION, 2018.
警告：这些引文格式不一定是100％准确.