David, T. G. Learning environments.
Chicago Edition CitationDavid, Thomas G. Learning Environments.
MLA引文David, Thomas G. Learning Environments.
警告：這些引文格式不一定是100％准確.
APA引文
David, T. G. Learning environments.
Chicago Edition CitationDavid, Thomas G. Learning Environments.
MLA引文David, Thomas G. Learning Environments.