Bohler, V. (1992). Kollidon: Polyvinylpyrrolidone for the Pharmaceutical Industry.
Cita Chicago (17th ed.)Bohler, Volker. Kollidon: Polyvinylpyrrolidone for the Pharmaceutical Industry. 1992.
Cita MLA (9th ed.)Bohler, Volker. Kollidon: Polyvinylpyrrolidone for the Pharmaceutical Industry. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.