Citazione Stile APA (7a Edizione)

Allen, G. (1973). Teaching behaviour & pupils' number development. A.C.E.R..

Citazione stile Chigago Style (17a edizione)

Allen, Graham. Teaching Behaviour & Pupils' Number Development. Melbourne: A.C.E.R., 1973.

Citatione MLA (8a ed.)

Allen, Graham. Teaching Behaviour & Pupils' Number Development. A.C.E.R., 1973.