Gaya APA

Dabbagh, N., Bannan-Ritland, B. (2001). Online Learning: Concepts, Strategies, adn Application (Cetakan pertama). : Columbus : Person Merrill Prentice Hall.

Gaya MLA

Dabbagh, Nada., Bannan-Ritland, Brenda. "Online Learning: Concepts, Strategies, adn Application". Cetakan pertama : Columbus : Person Merrill Prentice Hall, 2001. >