APA-ийн эшлэл(7 дахь хэвлэлт)

Hoy, D. R., & Ed. by Hoy . Don R. (1985). Essentials of geography and development: Concepts and processes (2nd ed.). Charles B. Merrill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hoy, Don R., ба Ed. by Hoy . Don R. Essentials of Geography and Development: Concepts and Processes. 2nd ed. Columbus, Ohio: Charles B. Merrill, 1985.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hoy, Don R., ба Ed. by Hoy . Don R. Essentials of Geography and Development: Concepts and Processes. 2nd ed. Charles B. Merrill, 1985.