APA-referens (7:e uppl.)

Hagen, E. E. (1976). The economics of development. Richard D.Irwin.

Chicago-referens (17:e uppl.)

Hagen, Everett E. The Economics of Development. Homewood: Richard D.Irwin, 1976.

MLA-referens (9:e uppl.)

Hagen, Everett E. The Economics of Development. Richard D.Irwin, 1976.