APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.