APA Style

Valcl, O. et al (1985). CRC Handbook of triarylmethane and xanthene dyes: spectrophotometric determination of metals . Florida: CRC Press Inc..

MLA Style

Valcl, Oldrich. et al. "CRC Handbook of triarylmethane and xanthene dyes: spectrophotometric determination of metals". Florida: CRC Press Inc., 1985. Buku.