Citazione Stile APA (7a Edizione)

Nixon, M. (1971). Children's classification skills. Australian Council for Educational Research.

Citazione stile Chigago Style (17a edizione)

Nixon, Mary. Children's Classification Skills. [Hawthorn, Australia]: Australian Council for Educational Research, 1971.

Citatione MLA (8a ed.)

Nixon, Mary. Children's Classification Skills. Australian Council for Educational Research, 1971.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.