APA-viite (7. p.)

Robertson, M. (2014). Sustainability: Principles and practice. Routledge.

Chicago-viite (17. p.)

Robertson, Margaret. Sustainability: Principles and Practice. New York: Routledge, 2014.

MLA-viite (9. p.)

Robertson, Margaret. Sustainability: Principles and Practice. Routledge, 2014.