Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.