APA citiranje

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 citiranje

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