APA استشهاد

Không rõ. (2012). Internation Conference GMS 2020: Balancing Economic Growth and Environmental Sustainability. NOTNXB.

استشهاد بنمط شيكاغو

Không rõ. Internation Conference GMS 2020: Balancing Economic Growth and Environmental Sustainability. NOTNXB, 2012.

MLA استشهاد

Không rõ. Internation Conference GMS 2020: Balancing Economic Growth and Environmental Sustainability. NOTNXB, 2012.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.