Cita APA (7a ed.)

Pollard, D., & Hughes, D. J. (1990). Constitutional and administrative law: Text and materials. Butterworths.

Cita Chicago Style (17a ed.)

Pollard, David, y D. J. Hughes. Constitutional and Administrative Law: Text and Materials. London: Butterworths, 1990.

Cita MLA (9a ed.)

Pollard, David, y D. J. Hughes. Constitutional and Administrative Law: Text and Materials. Butterworths, 1990.