Gaya APA

Buhler, V. (2005). Polyvinylpyrrolidone Excipients for Pharmaceuticals : Povidone, Crospovidone and Copovidone . Berlin: Springer.

Gaya MLA

Buhler, Volker. "Polyvinylpyrrolidone Excipients for Pharmaceuticals : Povidone, Crospovidone and Copovidone". Berlin: Springer, 2005. Text.