APA-ийн эшлэл(7 дахь хэвлэлт)

Bingham, R. C. (1981). Economic concepts: A programmed approach (6th ed.). McGraw-Hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Bingham, Robert C. Economic Concepts: A Programmed Approach. 6th ed. New York: McGraw-Hill, 1981.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Bingham, Robert C. Economic Concepts: A Programmed Approach. 6th ed. McGraw-Hill, 1981.