APA-čujuhus (7. p.)
Hagen, E. E. (1980). The economics of development (3rd ed.). R. D. Irwin ; Irwin-Dorsey.
Chicago-čujuhus (17. p.)
Hagen, Everett Einar. The Economics of Development. 3rd ed. Homewood, Ill. : Georgetown, Ont.: R. D. Irwin ; Irwin-Dorsey, 1980.
MLA-čujuhus (9. p.)
Hagen, Everett Einar. The Economics of Development. 3rd ed. R. D. Irwin ; Irwin-Dorsey, 1980.
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