Esau, K., Holt, R., & Winston. Biology studies: Vascular differenciation in plants.
Chicago Style aipamenaEsau, Katherine, Rinehart Holt, and Winston. Biology Studies: Vascular Differenciation in Plants.
MLA aipamenaEsau, Katherine, et al. Biology Studies: Vascular Differenciation in Plants.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.