Priorities for international action.

MLA

International parliamentary conference on the environment 02.06.1971 - 04.06.1971 Bonn. Priorities for International Action. Berlin, 1971.

APA

International parliamentary conference on the environment 02.06.1971 - 04.06.1971 Bonn, I. parliamentary conference on the environment 02.06.1971 - 04.06.1971 Bonn. (1971). Priorities for international action. Berlin.

Chicago

International parliamentary conference on the environment 02.06.1971 - 04.06.1971 Bonn Priorities for International Action. Berlin, 1971.