Citazione Stile APA (7a Edizione)

HOWARD CAROLINE. (2004). DISTANCE LEARNING AND UNIVERSITY EFFECTIVENESS. INFORMATION SCIENCE.

Citazione stile Chigago Style (17a edizione)

HOWARD CAROLINE. DISTANCE LEARNING AND UNIVERSITY EFFECTIVENESS. U S A: INFORMATION SCIENCE, 2004.

Citatione MLA (9a ed.)

HOWARD CAROLINE. DISTANCE LEARNING AND UNIVERSITY EFFECTIVENESS. INFORMATION SCIENCE, 2004.