Gaya APA

Edwardas, A, L. et al (1990). Liquid chromatography / mass spectrometry : techniques and application / L. Yersey, Charles G. Edwards, Ivor A.S. Lewis, Marvin L. Vestal . New York: Plenum Press.

Gaya MLA

Edwardas, Alfred, L.. et al. "Liquid chromatography / mass spectrometry : techniques and application / L. Yersey, Charles G. Edwards, Ivor A.S. Lewis, Marvin L. Vestal". New York: Plenum Press, 1990. Textbook.