Bowden, J. C., & Brown, M. T. (1979). Why the tides ebb and flow. Houghton Mifflin.
Chicago Style aipamenaBowden, Joan Chase, and Marc Tolon Brown. Why the Tides Ebb and Flow. Boston: Houghton Mifflin, 1979.
MLA aipamenaBowden, Joan Chase, and Marc Tolon Brown. Why the Tides Ebb and Flow. Houghton Mifflin, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.