ECU Libraries Catalog
United Nations list of national parks and equivalent reserves
MLA
Harroy, Jean Paul. United Nations List of National Parks and Equivalent Reserves. 2nd ed. Brussels: Publishers Hayez, 1971.
APA
Harroy, J. Paul. (1971). United Nations list of national parks and equivalent reserves. 2nd ed. Brussels: Publishers Hayez.
Chicago
Harroy, Jean Paul. United Nations List of National Parks and Equivalent Reserves. 2nd ed. Brussels: Publishers Hayez, 1971.