Gupta, S. (2018). Digital Marketing. McGraw Hill Education (India) Private Limited.
Chicagoスタイル(17版)引用形式Gupta, Seema. Digital Marketing. Chennai: McGraw Hill Education (India) Private Limited, 2018.
MLA(9版)引用形式Gupta, Seema. Digital Marketing. McGraw Hill Education (India) Private Limited, 2018.
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