APA aipamena

United States Reclamation Service. (1907). Specifications. The Service.

Chicago Style aipamena

United States Reclamation Service. Specifications. Washington, D.C.: The Service, 1907.

MLA aipamena

United States Reclamation Service. Specifications. The Service, 1907.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.