Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.