Perlman,Mark. (1977). The organization and retrieval of economic knowledge: Proceedings of a conference held by the international economic association at Keil, west Germany. Mac Millan.
Citação norma ChicagoPerlman,Mark. The Organization and Retrieval of Economic Knowledge: Proceedings of a Conference Held by the International Economic Association at Keil, West Germany. London: Mac Millan, 1977.
Citação norma MLAPerlman,Mark. The Organization and Retrieval of Economic Knowledge: Proceedings of a Conference Held by the International Economic Association at Keil, West Germany. Mac Millan, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.