Cita APA (7th ed.)

Birmingham, W., & Ford, A. G. (1966). Planning and growth in rich and poor countries. George Allen & Unwin.

Cita Chicago (17th ed.)

Birmingham, Walter, i A. G. Ford. Planning and Growth in Rich and Poor Countries. Londres: George Allen & Unwin, 1966.

Cita MLA (9th ed.)

Birmingham, Walter, i A. G. Ford. Planning and Growth in Rich and Poor Countries. George Allen & Unwin, 1966.