Lua APA (7ú heag.)

Middleton, N., & Thomas, D. (1997). World atlas of desertification (2nd ed.). Arnold.

Lua i Stíl Chicago (17ú heag.)

Middleton, Nick, agus David Thomas. World Atlas of Desertification. 2nd ed. London: Arnold, 1997.

Lua MLA (9ú heag.)

Middleton, Nick, agus David Thomas. World Atlas of Desertification. 2nd ed. Arnold, 1997.

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