Close, Avrille. (1992). Flexible learning for balanced science: Resources for initial teacher training and inset. H.M.S.O.
Čikaški stil citiranja (17. izdanje)Close, Avrille. Flexible Learning for Balanced Science: Resources for Initial Teacher Training and Inset. London: H.M.S.O, 1992.
MLA način citiranja (9. izdanje)Close, Avrille. Flexible Learning for Balanced Science: Resources for Initial Teacher Training and Inset. H.M.S.O, 1992.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.