Cita APA

Wals, H. (1982). Town farms: New approaches in the use of active educational methods in the environment field. Strasburg: Council of Europe.

Citación estilo Chicago

Wals, Harry. Town Farms: New Approaches in the Use of Active Educational Methods in the Environment Field. Strasburg: Council of Europe, 1982.

Cita MLA

Wals, Harry. Town Farms: New Approaches in the Use of Active Educational Methods in the Environment Field. Strasburg: Council of Europe, 1982.