Wen, P., Yan, J., Yu, G., & Leong, C. C. (2008). Development objective and strategies for Dongsheng petroleum company.
استشهاد بنمط شيكاغوWen, Pingan, Jinrong Yan, Guilin Yu, و Choon Chiang Leong. Development Objective and Strategies for Dongsheng Petroleum Company. 2008.
MLA استشهادWen, Pingan, Jinrong Yan, Guilin Yu, و Choon Chiang Leong. Development Objective and Strategies for Dongsheng Petroleum Company. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.