Cita APA (7th ed.)

Yardley, D. C. M. (1960). Introduction to British constitutional law. Butterworths.

Cita Chicago (17th ed.)

Yardley, David Charles Miller. Introduction to British Constitutional Law. London: Butterworths, 1960.

Cita MLA (9th ed.)

Yardley, David Charles Miller. Introduction to British Constitutional Law. Butterworths, 1960.