APA-ийн эшлэл(7 дахь хэвлэлт)

Yang, J., & Nyberg, D. (2009). External debt sustainability in HIPC completion point countries. International Monetary Fund.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Yang, Jin, ба Dan Nyberg. External Debt Sustainability in HIPC Completion Point Countries. [Washington D.C.]: International Monetary Fund, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Yang, Jin, ба Dan Nyberg. External Debt Sustainability in HIPC Completion Point Countries. International Monetary Fund, 2009.