Gaya APA

Yergey, A, L. et al (1990). Liquid Chronatography/Mass Chromatography : Tehniques and Applications . New York: Plenum Press.

Gaya MLA

Yergey, Alfred, L. et al. "Liquid Chronatography/Mass Chromatography : Tehniques and Applications". New York: Plenum Press, 1990. Text.