Cita APA (7th ed.)
Gordon, J. C. (2007). Planning research: A concise guide for the environmental and natural resource sciences. Yale University Press.
Cita Chicago (17th ed.)
Gordon, J. C. Planning Research: A Concise Guide for the Environmental and Natural Resource Sciences. New Haven: Yale University Press, 2007.
Cita MLA (9th ed.)
Gordon, J. C. Planning Research: A Concise Guide for the Environmental and Natural Resource Sciences. Yale University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.