Lua APA (7ú heag.)

Francis, M., & Knight, C. (1987). Cumulus. Parkett.

Lua i Stíl Chicago (17ú heag.)

Francis, Mark, agus Christopher Knight. "Cumulus." Parkett 1987.

Lua MLA (8ú heag.)

Francis, Mark, agus Christopher Knight. "Cumulus." Parkett, 1987.

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