(1999). Biochemicals and reagents. Sigma.
Chicago Style (17. basım) AtıfBiochemicals and Reagents. Sigma, 1999.
MLA (8th ed.) AtıfBiochemicals and Reagents. Sigma, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(1999). Biochemicals and reagents. Sigma.
Chicago Style (17. basım) AtıfBiochemicals and Reagents. Sigma, 1999.
MLA (8th ed.) AtıfBiochemicals and Reagents. Sigma, 1999.