APA-ийн эшлэл(7 дахь хэвлэлт)

Chobanov, G., & Plöhn, J. (2013). Crisis and sustainability: Responses from different positions : 14th Annual Conference of the Faculty of Economics and Business Administration Sofia, 7-8 October 2011. Peter Lang AG.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Chobanov, George, ба Jürgen Plöhn. Crisis and Sustainability: Responses from Different Positions : 14th Annual Conference of the Faculty of Economics and Business Administration Sofia, 7-8 October 2011. Frankfurt am Main, [Germany]: Peter Lang AG, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Chobanov, George, ба Jürgen Plöhn. Crisis and Sustainability: Responses from Different Positions : 14th Annual Conference of the Faculty of Economics and Business Administration Sofia, 7-8 October 2011. Peter Lang AG, 2013.