APA Alıntı

Wadsworth, R., & Treweek, J. . O. (1999). Geographical information systems for ecology: An introduction. Longman.

Chicago Stili Alıntı

Wadsworth, Richard, ve J O. Treweek. Geographical Information Systems for Ecology: An Introduction. London: Longman, 1999.

MLA Alıntı

Wadsworth, Richard, ve J O. Treweek. Geographical Information Systems for Ecology: An Introduction. Longman, 1999.