Cita APA (7a ed.)

Kempner, T., & Wills, G. S. C. (1967). Bradford exercises in management 1-12. Nelson.

Cita Chicago Style (17a ed.)

Kempner, Thomas, y Gordon S. C. Wills. Bradford Exercises in Management 1-12. London: Nelson, 1967.

Cita MLA (9a ed.)

Kempner, Thomas, y Gordon S. C. Wills. Bradford Exercises in Management 1-12. Nelson, 1967.