Crow, L. D., & Crow, A. (1962). Readings in guidance: Principles, practices, organization, administration. McKay.
Citazione stile Chigago Style (17a edizione)Crow, Lester D., e Alice Crow. Readings in Guidance: Principles, Practices, Organization, Administration. New York, New York: McKay, 1962.
Citatione MLA (9a ed.)Crow, Lester D., e Alice Crow. Readings in Guidance: Principles, Practices, Organization, Administration. McKay, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.