Cita APA

(1990). Official Methods Of Analysis Association Of Analytical Chemists ed. Kenneth Helrich. AOAC.

Citación estilo Chicago

Official Methods Of Analysis Association Of Analytical Chemists Ed. Kenneth Helrich. AOAC, 1990.

Cita MLA

Official Methods Of Analysis Association Of Analytical Chemists Ed. Kenneth Helrich. AOAC, 1990.

Warning: These citations may not always be 100% accurate.