APA استشهاد

Topping, K. (1988). Peer tutoring handbook: Promoting co-operative learning. Croom Helm.

استشهاد بنمط شيكاغو

Topping, Keith. Peer Tutoring Handbook: Promoting Co-operative Learning. London: Croom Helm, 1988.

MLA استشهاد

Topping, Keith. Peer Tutoring Handbook: Promoting Co-operative Learning. Croom Helm, 1988.