Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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