रिकॉर्ड उद्धरण

एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.