APA ציטוט

Perkins, H. V. (1969). Human developement & learning. Wordsworth Pub.Co..

Chicago Edition Citation

Perkins, Hugh V. Human Developement & Learning. Wordsworth Pub.Co., 1969.

ציטוט MLA

Perkins, Hugh V. Human Developement & Learning. Wordsworth Pub.Co., 1969.