Cita APA (7th ed.)

GWYNN, J. M. (1960). Curriculum principles and social trends.-- Ed.3. Macmillan Co.

Cita Chicago (17th ed.)

GWYNN, J. Minor. Curriculum Principles and Social Trends.-- Ed.3. New York: Macmillan Co, 1960.

Cita MLA (9th ed.)

GWYNN, J. Minor. Curriculum Principles and Social Trends.-- Ed.3. Macmillan Co, 1960.