APA-viite (7. p.)

Cowhey, P. F., & Richards, J. E. (2002). Deregulating and Liberalizing the North-American Telecommunications Market: Explaining the US-Approach.

Chicago-viite (17. p.)

Cowhey, Peter F., ja John E. Richards. Deregulating and Liberalizing the North-American Telecommunications Market: Explaining the US-Approach. Hamburg, 2002.

MLA-viite (8. p.)

Cowhey, Peter F., ja John E. Richards. Deregulating and Liberalizing the North-American Telecommunications Market: Explaining the US-Approach. 2002.