APA

Arnold G. W., . (1976). Critical evaluations of systems analysis in ecosystems research and managament. Wageningen: Centre for Agricultural Publishing and Documentation.

Chicago

Arnold G W, . 1976. Critical evaluations of systems analysis in ecosystems research and managament. Wageningen: Centre for Agricultural Publishing and Documentation.

Harvard

Arnold G. W., . (1976). Critical evaluations of systems analysis in ecosystems research and managament. Wageningen: Centre for Agricultural Publishing and Documentation.

MLA

Arnold G W, . Critical evaluations of systems analysis in ecosystems research and managament. Wageningen: Centre for Agricultural Publishing and Documentation. 1976.