Gaya APA

Dabbagh, N., Ritland, B, B. (2001). Online learning : concepts, strategies, and application . Columbus: Person Merrill Prentice Hall.

Gaya MLA

Dabbagh, Nada., Ritland, Brenda, Bannan. "Online learning : concepts, strategies, and application". Columbus: Person Merrill Prentice Hall, 2001. Text.