Gaya APA

Singer, D, C. et al (2005). Drugs and the Pharmaceutical Sciences Vol. 150 : Laboratory Auditing for Quality and Regulatory Compliance (Vol. 150). : Taylor & Francis.

Gaya MLA

Singer, Donald, C.. et al. "Drugs and the Pharmaceutical Sciences Vol. 150 : Laboratory Auditing for Quality and Regulatory Compliance". Vol. 150 : Taylor & Francis, 2005. Text.