Παραπομπή APA

(1976). Guide to productivity improvement projects (3rd ed.). Washington: U.S. Government Printing Office.

Παραπομπή Chicago Style

Guide to Productivity Improvement Projects. 3rd ed. Washington: U.S. Government Printing Office, 1976.

Παραπομπή MLA

Guide to Productivity Improvement Projects. 3rd ed. Washington: U.S. Government Printing Office, 1976.

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