Стиль цитування APA (7-ме видання)

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 стиль цитування (17-те видання)

Chobanov, George, та 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.

Стиль цитування MLA (9-ме видання)

Chobanov, George, та 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.