Wittig, G. (1976). Preparative Organic chemistry. Springer-Verlag.
Chicago Style aipamenaWittig, George. Preparative Organic Chemistry. Berlin: Springer-Verlag, 1976.
MLA aipamenaWittig, George. Preparative Organic Chemistry. Springer-Verlag, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.