Cita APA (7a ed.)

Hammond, A. (1992). World resources 1992-93: A guide to the global environment. Oxford University Press.

Cita Chicago Style (17a ed.)

Hammond, A. World Resources 1992-93: A Guide to the Global Environment. Mumbai: Oxford University Press, 1992.

Cita MLA (9a ed.)

Hammond, A. World Resources 1992-93: A Guide to the Global Environment. Oxford University Press, 1992.