Hoy, D. R., & Ed. by Hoy . Don R. (1985). Essentials of geography and development: Concepts and processes (2nd ed.). Charles B. Merrill.
Chicago-čujuhus (17. p.)Hoy, Don R., juo Ed. by Hoy . Don R. Essentials of Geography and Development: Concepts and Processes. 2nd ed. Columbus, Ohio: Charles B. Merrill, 1985.
MLA-čujuhus (9. p.)Hoy, Don R., juo Ed. by Hoy . Don R. Essentials of Geography and Development: Concepts and Processes. 2nd ed. Charles B. Merrill, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.