Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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