Cita APA (7th ed.)

Learning Zone Express (Firm), Jones, C., Nelson-Smith, M., & Spongber, S. (2006). Encouraging moral development in children. Learning Zonexpress.

Cita Chicago (17th ed.)

Learning Zone Express (Firm), Chris Jones, Melanie Nelson-Smith, i Susan Spongber. Encouraging Moral Development in Children. Owatonna, MN: Learning Zonexpress, 2006.

Cita MLA (9th ed.)

Learning Zone Express (Firm), et al. Encouraging Moral Development in Children. Learning Zonexpress, 2006.