APA-ийн эшлэл(7 дахь хэвлэлт)

Leftwich, R. H. (1966). The price system and resource allocation (3rd ed.). Holt, Rinehart and winston.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Leftwich, Richard H. The Price System and Resource Allocation. 3rd ed. New York: Holt, Rinehart and winston, 1966.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Leftwich, Richard H. The Price System and Resource Allocation. 3rd ed. Holt, Rinehart and winston, 1966.