Zawacki-Richter. (2019). Open and Distance Education in Asia, Africa and the Middle East (1.). Springer Singapore.
芝加哥风格引文Zawacki-Richter. Open and Distance Education in Asia, Africa and the Middle East. 1. Springer Singapore, 2019.
MLA引文Zawacki-Richter. Open and Distance Education in Asia, Africa and the Middle East. 1. Springer Singapore, 2019.
警告：这些引文格式不一定是100％准确.