APA Style

Leypoldt, Marta M.. (1967). 40 Way Teach In Groups (cet. 3). Valley forge: PA: The Judson Press.

Chicago Style

Leypoldt, Marta M.. 40 Way Teach In Groups. cet. 3 Valley forge: PA: The Judson Press, 1967. Text.

MLA Style

Leypoldt, Marta M.. 40 Way Teach In Groups. cet. 3 Valley forge: PA: The Judson Press, 1967. Text.

Turabian Style

Leypoldt, Marta M.. 40 Way Teach In Groups. cet. 3 Valley forge: PA: The Judson Press, 1967. Print.