APA ציטוט

Piaget, J., & Gabain, M. (1977). The moral judgement of the child. Middlesex: Penguin Books.

Παραπομπή Chicago Style

Piaget, Jean, και Marjorie Gabain. The Moral Judgement of the Child. Middlesex: Penguin Books, 1977.

ציטוט MLA

Piaget, Jean, και Marjorie Gabain. The Moral Judgement of the Child. Middlesex: Penguin Books, 1977.