Columbia University, Teachers College. (1905). Contributions to education.
Citazione stile Chigago Style (17a edizione)Columbia University, Teachers College. Contributions to Education. New York, NY, 1905.
Citatione MLA (8a ed.)Columbia University, Teachers College. Contributions to Education. 1905.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.