APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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