APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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