Harrop, D., & Nixon, J. A. (1999). Environmental assessment in practice. Routledge.
Tohutoru Kātū Chicago (17th ed.)Harrop, D.Owen, me J Ashley Nixon. Environmental Assessment in Practice. London: Routledge, 1999.
Tohutoro MLA (9th ed.)Harrop, D.Owen, me J Ashley Nixon. Environmental Assessment in Practice. Routledge, 1999.
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