APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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