Sayer, J. (1991). Rainforest buffer zones: Guidelines for protected area managers. IUCN--the World Conservation Union, Forest Conservation Programme.
Chicago Style (17th ed.) CitationSayer, Jeffrey. Rainforest Buffer Zones: Guidelines for Protected Area Managers. Gland, Switzerland: IUCN--the World Conservation Union, Forest Conservation Programme, 1991.
MLA (8th ed.) CitationSayer, Jeffrey. Rainforest Buffer Zones: Guidelines for Protected Area Managers. IUCN--the World Conservation Union, Forest Conservation Programme, 1991.
Warning: These citations may not always be 100% accurate.