APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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