Nik Mohd. Hazrul Nik Hashim. (2009). Successful product launch strategies: A comparison between sequential and simultaneous product rollouts.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nik Mohd. Hazrul Nik Hashim. Successful Product Launch Strategies: A Comparison Between Sequential and Simultaneous Product Rollouts. 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nik Mohd. Hazrul Nik Hashim. Successful Product Launch Strategies: A Comparison Between Sequential and Simultaneous Product Rollouts. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.