APA-Zitierstil (7. Ausg.)

Isaacs, N. (1966). New light on children's ideas of number: The work of Professor Piaget (6. impr.). Ward Lock Educational Co.

Chicago-Zitierstil (17. Ausg.)

Isaacs, Nathan. New Light on Children's Ideas of Number: The Work of Professor Piaget. 6. impr. London, [Eng.]: Ward Lock Educational Co, 1966.

MLA-Zitierstil (9. Ausg.)

Isaacs, Nathan. New Light on Children's Ideas of Number: The Work of Professor Piaget. 6. impr. Ward Lock Educational Co, 1966.