APA引文

SIMPSON, O. (2003). Student retention in online, open and distance learning. Kogan page.

Chicago Style (17th ed.) Citation

SIMPSON, Ormond. Student Retention in Online, Open and Distance Learning. Kogan page, 2003.

MLA引文

SIMPSON, Ormond. Student Retention in Online, Open and Distance Learning. Kogan page, 2003.

警告：這些引文格式不一定是100％准確.