(1999). Putting 5s into action: A practical step-by-step guide. Employee Confederation of the Philippines.
Čikaški stil citiranja (17. izdanje)Putting 5s into Action: A Practical Step-by-step Guide. Makati: Employee Confederation of the Philippines, 1999.
MLA način citiranja (9. izdanje)Putting 5s into Action: A Practical Step-by-step Guide. Employee Confederation of the Philippines, 1999.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.