American Chemical Society. (1997). The Best of WonderScience: Elementary science activities. Delmar Publishers.
Chicago Style aipamenaAmerican Chemical Society. The Best of WonderScience: Elementary Science Activities. Albany: Delmar Publishers, 1997.
MLA aipamenaAmerican Chemical Society. The Best of WonderScience: Elementary Science Activities. Delmar Publishers, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.