Cita APA (7th ed.)

Halligan, B., & Shah, D. (2014). Inbound marketing: Attract, engage, and delight customers online (Revised and updated second edition.). Wiley.

Cita Chicago (17th ed.)

Halligan, B., i Dharmesh Shah. Inbound Marketing: Attract, Engage, and Delight Customers Online. Revised and updated second edition. Hoboken, New Jersey: Wiley, 2014.

Cita MLA (9th ed.)

Halligan, B., i Dharmesh Shah. Inbound Marketing: Attract, Engage, and Delight Customers Online. Revised and updated second edition. Wiley, 2014.