APA-ийн эшлэл(7 дахь хэвлэлт)

International Labour Office. Special Action Programme to Combat Forced Labour, ebrary, Inc, & Gao, Y. (2010). Concealed chains: Labour exploitation and Chinese migrants in Europe. International Labour Office.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

International Labour Office. Special Action Programme to Combat Forced Labour, Inc ebrary, ба Yun Gao. Concealed Chains: Labour Exploitation and Chinese Migrants in Europe. Geneva: International Labour Office, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

International Labour Office. Special Action Programme to Combat Forced Labour, et al. Concealed Chains: Labour Exploitation and Chinese Migrants in Europe. International Labour Office, 2010.