APA-ийн эшлэл(7 дахь хэвлэлт)

Chen, C. (2009). Bank efficiency in Sub-Saharan African middle-income countries. International Monetary Fund.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Chen, Chuling. Bank Efficiency in Sub-Saharan African Middle-income Countries. [Washington, D.C.]: International Monetary Fund, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Chen, Chuling. Bank Efficiency in Sub-Saharan African Middle-income Countries. International Monetary Fund, 2009.