Cita APA (7th ed.)

National Productivity Corporation & Perbadanan Produktiviti Negara. (1997). Productivity primer. National Productivity Corporation.

Cita Chicago (17th ed.)

National Productivity Corporation i Perbadanan Produktiviti Negara. Productivity Primer. Petaling Jaya: National Productivity Corporation, 1997.

Cita MLA (8th ed.)

National Productivity Corporation i Perbadanan Produktiviti Negara. Productivity Primer. National Productivity Corporation, 1997.