Hesse, M. (1981). Alkaloid chemistry. John Wiley & Sons.
Chicago Style (17th ed.) ZitazioaHesse, Manfred. Alkaloid Chemistry. New York: John Wiley & Sons, 1981.
MLA (9th ed.) ZitazioaHesse, Manfred. Alkaloid Chemistry. John Wiley & Sons, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.