APA-ийн эшлэл(7 дахь хэвлэлт)

Packard, T., Koettl, J., & Montenegro, C. (2012). In from the shadow: Integrating Europe's informal labor. World Bank.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Packard, Truman, Johannes Koettl, ба Claudio Montenegro. In from the Shadow: Integrating Europe's Informal Labor. Washington, D.C.: World Bank, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Packard, Truman, et al. In from the Shadow: Integrating Europe's Informal Labor. World Bank, 2012.