Cooper, H. C. (1892). Short studies in botany for children. T.Y. Crowell & Co.
Chicago Style aipamenaCooper, Harriet Cornelia. Short Studies in Botany for Children. New York, Boston: T.Y. Crowell & Co, 1892.
MLA aipamenaCooper, Harriet Cornelia. Short Studies in Botany for Children. T.Y. Crowell & Co, 1892.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.