Cita APA (7th ed.)

Piper, K. (1977). Essential learning about society: An investigation into learning for social competence. Australian Council for Educational Research.

Cita Chicago (17th ed.)

Piper, Kevin. Essential Learning About Society: An Investigation into Learning for Social Competence. Hawthorn, Vic.: Australian Council for Educational Research, 1977.

Cita MLA (8th ed.)

Piper, Kevin. Essential Learning About Society: An Investigation into Learning for Social Competence. Australian Council for Educational Research, 1977.