HAI, A. E., & ADMINISTRATION, B. (2020). THE PRINTING AND PUBLISHING INDUSTRY OF SINGAPORE.
استشهاد بنمط شيكاغوHAI, AW ENG, و BUSINESS ADMINISTRATION. THE PRINTING AND PUBLISHING INDUSTRY OF SINGAPORE. 2020.
MLA استشهادHAI, AW ENG, و BUSINESS ADMINISTRATION. THE PRINTING AND PUBLISHING INDUSTRY OF SINGAPORE. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.