Gaya APA

Foster, D, S., Snell, C, T. (1970). Colorimetric Methods of Analysis Including Photometric Methods Volume IV AA . New York: D. VAN NOSTRAND COMPANY.

Gaya MLA

Foster, Dee, Snell,., Snell, Cornelia, T. "Colorimetric Methods of Analysis Including Photometric Methods Volume IV AA". New York: D. VAN NOSTRAND COMPANY, 1970. Text.