Παραπομπή σε μορφή APA (7η εκδ.)

Tu, C. (2004). Online collaborative learning communitie: Twenty-one designs to building an online collaborative learning community. Libraries Unlimited.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tu, Chih-Hsiung. Online Collaborative Learning Communitie: Twenty-one Designs to Building an Online Collaborative Learning Community. Westport, Conn.: Libraries Unlimited, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Tu, Chih-Hsiung. Online Collaborative Learning Communitie: Twenty-one Designs to Building an Online Collaborative Learning Community. Libraries Unlimited, 2004.