Trích dẫn APA

Costa, E. (1974). Emergency employment schemes programme planning and organization of the " Frientes de trabalho" in Northeast Brazil. Geneva: International Labour Office.

Trích dẫn kiểu Chicago

Costa, Emile. Emergency Employment Schemes Programme Planning and Organization of the " Frientes De Trabalho" in Northeast Brazil. Geneva: International Labour Office, 1974.

Trích dẫn MLA

Costa, Emile. Emergency Employment Schemes Programme Planning and Organization of the " Frientes De Trabalho" in Northeast Brazil. Geneva: International Labour Office, 1974.

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