Cita APA (7th ed.)

Hopkins, L. T. (1930). Curriculum principles and practices. B.H. Sanborn & Co..

Cita Chicago (17th ed.)

Hopkins, Levi Thomas. Curriculum Principles and Practices. Chicago: B.H. Sanborn & Co., 1930.

Cita MLA (8th ed.)

Hopkins, Levi Thomas. Curriculum Principles and Practices. B.H. Sanborn & Co., 1930.