APA-viite (7. p.)

Curtis, C., & Low, N. (2012). Institutional barriers to sustainable transport. Ashgate.

Chicago-viite (17. p.)

Curtis, Carey, ja Nicholas Low. Institutional Barriers to Sustainable Transport. Burlington, Vt.: Ashgate, 2012.

MLA-viite (9. p.)

Curtis, Carey, ja Nicholas Low. Institutional Barriers to Sustainable Transport. Ashgate, 2012.