Hockett, J. A., & Jacobsen, E. Modern Practices in the Elementary School.
Cita Chicago Style (17a ed.)Hockett, John A., y E.W Jacobsen. Modern Practices in the Elementary School.
Cita MLA (9a ed.)Hockett, John A., y E.W Jacobsen. Modern Practices in the Elementary School.
Precaución: Estas citas no son 100% exactas.