Cita APA (7th ed.)

Hawke, N. (1990). An introduction to administrative law. ESC Pub.

Cita Chicago (17th ed.)

Hawke, Neil. An Introduction to Administrative Law. Oxford: ESC Pub, 1990.

Cita MLA (9th ed.)

Hawke, Neil. An Introduction to Administrative Law. ESC Pub, 1990.