National Optical Astronomy Observatory (U.S.), Astronomical Society of the Pacific, & American Astronomical Society. (2001). Astronomy education review. National Optical Astronomy Observatory.
Style de citation Chicago (17e éd.)National Optical Astronomy Observatory (U.S.), Astronomical Society of the Pacific, et American Astronomical Society. Astronomy Education Review. Tucson, AZ: National Optical Astronomy Observatory, 2001.
Style de citation MLA (9e éd.)National Optical Astronomy Observatory (U.S.), et al. Astronomy Education Review. National Optical Astronomy Observatory, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.