Herer, W., & Sadowski, W. (1989). Zderzenia z barierami rozwoju (1. wyd.). Wyd. Ekon.
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Citação norma Chicago
Herer, Wiktor, and Wladyslaw Sadowski. Zderzenia Z Barierami Rozwoju. 1. wyd. Warszawa: Wyd. Ekon, 1989.
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Citação norma MLA
Herer, Wiktor, and Wladyslaw Sadowski. Zderzenia Z Barierami Rozwoju. 1. wyd. Wyd. Ekon, 1989.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.