Citação norma APA
ebrary, Inc, Hayoz, N., Jesień, L., & Koleva, D. (2011). 20 years after the collapse of communism: Expectations, achievements and disillusions of 1989. Peter Lang.
Citação norma Chicago
ebrary, Inc, Nicolas Hayoz, Leszek Jesień, and Daniela Koleva. 20 Years After the Collapse of Communism: Expectations, Achievements and Disillusions of 1989. Bern ; New York: Peter Lang, 2011.
Citação norma MLA
ebrary, Inc, et al. 20 Years After the Collapse of Communism: Expectations, Achievements and Disillusions of 1989. Peter Lang, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.