Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.