APA-viite (7. p.)
Willig, S. H. (2000). Good manufacturing practices for pharmaceuticals: A plan for total quality control from manufacturer to consumer (5th ed., rev. and expanded.). M. Dekker.
Chicago-viite (17. p.)
Willig, Sidney H. Good Manufacturing Practices for Pharmaceuticals: A Plan for Total Quality Control from Manufacturer to Consumer. 5th ed., rev. and expanded. New York: M. Dekker, 2000.
MLA-viite (9. p.)
Willig, Sidney H. Good Manufacturing Practices for Pharmaceuticals: A Plan for Total Quality Control from Manufacturer to Consumer. 5th ed., rev. and expanded. M. Dekker, 2000.
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