Ali., M. S. M., Ho, B. K., Haw, S. S., & Quazi, H. A. (2008). Productivity measurement: Singapore Offshore Petroleum Services Pte Ltd.
استشهاد بنمط شيكاغوAli., Mohammad Sulaiman Mohamed, Boon Keng Ho, Shuen Siang Haw, و Hesan Ahmed Quazi. Productivity Measurement: Singapore Offshore Petroleum Services Pte Ltd. 2008.
MLA استشهادAli., Mohammad Sulaiman Mohamed, Boon Keng Ho, Shuen Siang Haw, و Hesan Ahmed Quazi. Productivity Measurement: Singapore Offshore Petroleum Services Pte Ltd. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.