APA引文

Williams, R. L., & Williams, H. A. (2020). Vintage Marketing Differentiation. 1st ed. 2017. Palgrave Macmillan US.

Trích dẫn kiểu Chicago

Williams, Robert L., và Helena A. Williams. Vintage Marketing Differentiation. 1st Ed. 2017. Palgrave Macmillan US, 2020.

MLA引文

Williams, Robert L., và Helena A. Williams. Vintage Marketing Differentiation. 1st Ed. 2017. Palgrave Macmillan US, 2020.

警告：這些引文格式不一定是100％准確.