Dyfyniad APA

Jean Piaget & Malcolm[tr]. (2001). The psychology of intelligence. Routledge.

Dyfyniad Arddull Chicago

Jean Piaget and Malcolm[tr]. The Psychology of Intelligence. London: Routledge, 2001.

Dyfyniad MLA

Jean Piaget and Malcolm[tr]. The Psychology of Intelligence. Routledge, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.