Davis, R. E., & Foote, F. S. (1953). Surveying: Theory and practice. New York : McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Davis, Raymond Earl, agus Francis S. Foote. Surveying: Theory and Practice. New York : McGraw-Hill, 1953.
Lua MLA (9ú heag.)Davis, Raymond Earl, agus Francis S. Foote. Surveying: Theory and Practice. New York : McGraw-Hill, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.