Cita APA (7a ed.)

Harrop, D., & Nixon, J. A. (1999). Environmental assessment in practice. Routledge.

Cita Chicago Style (17a ed.)

Harrop, D.Owen, y J Ashley Nixon. Environmental Assessment in Practice. London: Routledge, 1999.

Cita MLA (9a ed.)

Harrop, D.Owen, y J Ashley Nixon. Environmental Assessment in Practice. Routledge, 1999.