APA aipamena

(1994). Putting customers first: Standards for serving the american poeple. Washington: [Washington].

Chicago Style aipamena

Putting Customers First: Standards for Serving the American Poeple. Washington: [Washington], 1994.

MLA aipamena

Putting Customers First: Standards for Serving the American Poeple. Washington: [Washington], 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.