APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Hall, R. E. (1996). Fairness and efficiency in the flat tax. AEI Press for the American Enterprise Institute.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Robert Ernest Hall. Fairness and Efficiency in the Flat Tax. Washington, D.C.: AEI Press for the American Enterprise Institute, 1996.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Robert Ernest Hall. Fairness and Efficiency in the Flat Tax. AEI Press for the American Enterprise Institute, 1996.