Fitting, H., Heinrich, S., Jost, L., & Karsten, G. (1921). Strasburgers text-book of botany (5th ed.). Macmillan.
Chicago-čujuhus (17. p.)Fitting, Hans, Schenck Heinrich, Ludwig Jost, juo George Karsten. Strasburgers Text-book of Botany. 5th ed. London: Macmillan, 1921.
MLA-čujuhus (9. p.)Fitting, Hans, et al. Strasburgers Text-book of Botany. 5th ed. Macmillan, 1921.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.