APA Citation

Gray Armstrong, & Philip kotler. (2006). Armstrong / kotler: Marketing : an introduction (1/1993.). Usa: Pearson.

Chicago Style Citation

Gray Armstrong, and Philip kotler. Armstrong / Kotler: Marketing : An Introduction. 1/1993. Usa: Pearson, 2006.

MLA Citation

Gray Armstrong, and Philip kotler. Armstrong / Kotler: Marketing : An Introduction. 1/1993. Usa: Pearson, 2006.

Warning: These citations may not always be 100% accurate.