Lua APA (7ú heag.)
Greenhood, D., & Graeter, R. (1951). Mapping. University of Chicago.
Lua i Stíl Chicago (17ú heag.)
Greenhood, David, agus Ralph Graeter. Mapping. Chicago: University of Chicago, 1951.
Lua MLA (9ú heag.)
Greenhood, David, agus Ralph Graeter. Mapping. University of Chicago, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.