APA aipamena

Kotlar, P., & Agnihotri , P. Y. . . . . A. ,. . . . . . . . . H. (1991). Principles of Marketing. phi.

Chicago Style aipamena

Kotlar, Philip, and Prafulla Y. Armstrong ,Gary Haque Agnihotri. Principles of Marketing. new delhi: phi, 1991.

MLA aipamena

Kotlar, Philip, and Prafulla Y. Armstrong ,Gary Haque Agnihotri. Principles of Marketing. phi, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.