Cita APA (7th ed.)

National Commission on Cooperative Curriculum Planning. (1941). The Subject fields in general education. D. Appleton-Century.

Cita Chicago (17th ed.)

National Commission on Cooperative Curriculum Planning. The Subject Fields in General Education. New York: D. Appleton-Century, 1941.

Cita MLA (9th ed.)

National Commission on Cooperative Curriculum Planning. The Subject Fields in General Education. D. Appleton-Century, 1941.

Atenció: Aquestes cites poden no estar 100% correctes.