Citazione Stile APA (7a Edizione)

Close, Avrille. (1992). Flexible learning for balanced science: Resources for initial teacher training and inset. H.M.S.O.

Citazione stile Chigago Style (17a edizione)

Close, Avrille. Flexible Learning for Balanced Science: Resources for Initial Teacher Training and Inset. London: H.M.S.O, 1992.

Citatione MLA (9a ed.)

Close, Avrille. Flexible Learning for Balanced Science: Resources for Initial Teacher Training and Inset. H.M.S.O, 1992.