Citazione Stile APA (7a Edizione)

Race, P. (1989). The open learning handbook: Selecting, designing, and supporting open learning materials. Kogan Page.

Citazione stile Chigago Style (17a edizione)

Race, Phil. The Open Learning Handbook: Selecting, Designing, and Supporting Open Learning Materials. London: Kogan Page, 1989.

Citatione MLA (9a ed.)

Race, Phil. The Open Learning Handbook: Selecting, Designing, and Supporting Open Learning Materials. Kogan Page, 1989.