Παραπομπή APA

Andrew , R., & Jackson, J. M. (1998). Environmental science: The natural environment and human impact. Longman.

Παραπομπή Chicago Style

Andrew , R.W, και Julie M. Jackson. Environmental Science: The Natural Environment and Human Impact. London: Longman, 1998.

Παραπομπή MLA

Andrew , R.W, και Julie M. Jackson. Environmental Science: The Natural Environment and Human Impact. Longman, 1998.