APA Citatie

(1989). Biochemicals organic compounds for research and diagnostic reagents. USA: Sigma chemical company.

Chicago Style citaat

Biochemicals Organic Compounds for Research and Diagnostic Reagents. USA: Sigma chemical company, 1989.

MLA citatie

Biochemicals Organic Compounds for Research and Diagnostic Reagents. USA: Sigma chemical company, 1989.

Let op: Deze citaties zijn niet altijd 100% accuraat.