Bouma, J. J., & Bregt, A. (1989). Land qualities in space and time: Proceedings of a symposium. Wageningen, NL Centre for Agricultural Publishing and Documentation (PUDOC).
Citação do estilo Chicago (17ª ed.)Bouma, Janeke J., e A.K Bregt. Land Qualities in Space and Time: Proceedings of a Symposium. Wageningen, NL Centre for Agricultural Publishing and Documentation (PUDOC), 1989.
Citação MLA (8ª ed.)Bouma, Janeke J., e A.K Bregt. Land Qualities in Space and Time: Proceedings of a Symposium. Wageningen, NL Centre for Agricultural Publishing and Documentation (PUDOC), 1989.
Citação IICA/CATIEBouma, J. J., ; Bregt, A. 1989. Land qualities in space and time: Proceedings of a symposium. Wageningen, NL Centre for Agricultural Publishing and Documentation (PUDOC).