APA-ийн эшлэл(7 дахь хэвлэлт)

Carroll, R., & Viard, A. D. (2012). Progressive consumption taxation: The X tax revisited. AEI Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Carroll, Robert, ба Alan D. Viard. Progressive Consumption Taxation: The X Tax Revisited. Washington, D.C.: AEI Press, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Carroll, Robert, ба Alan D. Viard. Progressive Consumption Taxation: The X Tax Revisited. AEI Press, 2012.