Cita APA

Köpke, G., & Grundheber-Pilgram, A. (1990). The centenary of May Day ; Portrait of the European Trade Union Confederation (ETUC). Brussels: ETUI.

Citación estilo Chicago

Köpke, Günter, and Alfons Grundheber-Pilgram. The Centenary of May Day ; Portrait of the European Trade Union Confederation (ETUC). Brussels: ETUI, 1990.

Cita MLA

Köpke, Günter, and Alfons Grundheber-Pilgram. The Centenary of May Day ; Portrait of the European Trade Union Confederation (ETUC). Brussels: ETUI, 1990.

Warning: These citations may not always be 100% accurate.