Cita APA (7th ed.)

Underwood, M. (1987). Effective class management: A practical approach (1a. ed.). Longman.

Cita Chicago (17th ed.)

Underwood, Mary. Effective Class Management: A Practical Approach. 1a. ed. Londres: Longman, 1987.

Cita MLA (9th ed.)

Underwood, Mary. Effective Class Management: A Practical Approach. 1a. ed. Longman, 1987.