Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.