Beri, G. C. (2018). Marketing Research (5th ed.). McGraw Hill Education (India) Pvt. Ltd.
芝加哥风格引文Beri, G. C. Marketing Research. 5th ed. Chennai: McGraw Hill Education (India) Pvt. Ltd, 2018.
MLA引文Beri, G. C. Marketing Research. 5th ed. McGraw Hill Education (India) Pvt. Ltd, 2018.
警告：这些引文格式不一定是100％准确.