Cita APA (7th ed.)

Edited by Sewart, J. (1982). Approaches in public policy. George Allen and Unwin.

Cita Chicago (17th ed.)

Edited by Sewart, John. Approaches in Public Policy. London: George Allen and Unwin, 1982.

Cita MLA (9th ed.)

Edited by Sewart, John. Approaches in Public Policy. George Allen and Unwin, 1982.