Perry, J. W., & Morton, D. (1998). Photo atlas for botany. Wadsworth Pub. Co.
Chicago Style aipamenaPerry, James W., and David Morton. Photo Atlas for Botany. Belmont, CA: Wadsworth Pub. Co, 1998.
MLA aipamenaPerry, James W., and David Morton. Photo Atlas for Botany. Wadsworth Pub. Co, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.