Arem, J. E. (1994). Discover science & nature. Publications International.
Cita Chicago Style (17a ed.)Arem, Joel E. Discover Science & Nature. Lincolnwood, Ill: Publications International, 1994.
Cita MLA (9a ed.)Arem, Joel E. Discover Science & Nature. Publications International, 1994.
Precaución: Estas citas no son 100% exactas.