Cita APA (7th ed.)

Sheth, J. &. S. (2013). The 4 A's of marketing. Routledge.

Cita Chicago (17th ed.)

Sheth, Jagdish & Sisadia. The 4 A's of Marketing. New York: Routledge, 2013.

Cita MLA (9th ed.)

Sheth, Jagdish & Sisadia. The 4 A's of Marketing. Routledge, 2013.