International Federation of Landscape Architects. (1980). IFLA yearbook. International Federation of Landscape Architects, IFLA Secretariat.
Style de citation Chicago (17e éd.)International Federation of Landscape Architects. IFLA Yearbook. Versailles, France: International Federation of Landscape Architects, IFLA Secretariat, 1980.
Style de citation MLA (9e éd.)International Federation of Landscape Architects. IFLA Yearbook. International Federation of Landscape Architects, IFLA Secretariat, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.