Sigma 1987. Biochemical and organic compounds for research and diagnostic clinical reagents.

MLA

Sigma 1987. Biochemical and Organic Compounds for Research and Diagnostic Clinical Reagents. St. Louis,USA, 1987.

APA

(1987). Sigma 1987. Biochemical and organic compounds for research and diagnostic clinical reagents. St. Louis,USA.

Chicago

Sigma 1987. Biochemical and Organic Compounds for Research and Diagnostic Clinical Reagents. St. Louis,USA, 1987.