Dillenbourg Pierre. Virtual Learning Environments.
Chicago Style (17th ed.) CitationDillenbourg Pierre. Virtual Learning Environments.
MLA引文Dillenbourg Pierre. Virtual Learning Environments.
警告：這些引文格式不一定是100％准確.
APA引文
Dillenbourg Pierre. Virtual Learning Environments.
Chicago Style (17th ed.) CitationDillenbourg Pierre. Virtual Learning Environments.
MLA引文Dillenbourg Pierre. Virtual Learning Environments.