Luanna taifid

Lua APA (7ú heag.)
Estados Unidos Coast & Geodetic Survey. (1900). Sketch of general progress. U. S. Coast & Geodetic Survey.
Lua i Stíl Chicago (17ú heag.)
Estados Unidos Coast & Geodetic Survey. Sketch of General Progress. U. S. Coast & Geodetic Survey, 1900.
Lua MLA (9ú heag.)
Estados Unidos Coast & Geodetic Survey. Sketch of General Progress. U. S. Coast & Geodetic Survey, 1900.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.