Gaya APA

BOYLE, D.G.. (1969). A Students Guide to Piaget . London: Pergamon Press.

Gaya Chicago

BOYLE, D.G.. A Students Guide to Piaget. London: Pergamon Press, 1969. Teks.

Gaya MLA

BOYLE, D.G.. A Students Guide to Piaget. London: Pergamon Press, 1969. Teks.

Gaya Turabian

BOYLE, D.G.. A Students Guide to Piaget. London: Pergamon Press, 1969. Teks.