孙杰光. (2017). 现代服务业发展概论: Introduction to the development of modern service industry. 中国金融出版社.
Chicago (17e ed.) Bronvermelding孙杰光. 现代服务业发展概论: Introduction to the Development of Modern Service Industry. 中国金融出版社, 2017.
MLA (8e ed.) Bronvermelding孙杰光. 现代服务业发展概论: Introduction to the Development of Modern Service Industry. 中国金融出版社, 2017.
Let op: Deze citaties zijn niet altijd 100% accuraat.