APA ציטוט

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.

ציטוט MLA

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