Schneider, H., & Schneider, N. (1968). Science for work and play, 1 (3rd ed.). D.C. Heath.
Chicago Style aipamenaSchneider, Herman, and Nina Schneider. Science for Work and Play, 1. 3rd ed. Boston: D.C. Heath, 1968.
MLA aipamenaSchneider, Herman, and Nina Schneider. Science for Work and Play, 1. 3rd ed. D.C. Heath, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.