Allaby, M. (1996). Basics of environmental science. Routledge.
Cita Chicago (17th ed.)Allaby, Michael. Basics of Environmental Science. London: Routledge, 1996.
Cita MLA (9th ed.)Allaby, Michael. Basics of Environmental Science. Routledge, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.