Pafford, F. (1962). Handbook of survey notekeeping. Wiley.
Lua i Stíl Chicago (17ú heag.)Pafford, F. Handbook of Survey Notekeeping. New York: Wiley, 1962.
Lua MLA (9ú heag.)Pafford, F. Handbook of Survey Notekeeping. Wiley, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.