Cita APA (7th ed.)

Hagen, E. E. (1963). Planning economic development. Richard D. Irwin.

Cita Chicago (17th ed.)

Hagen, Everett E. Planning Economic Development. Homewood: Richard D. Irwin, 1963.

Cita MLA (9th ed.)

Hagen, Everett E. Planning Economic Development. Richard D. Irwin, 1963.