Gaya APA

Ettre, L, S, , (., Zlatkis, A, , , (. (1967). The practices of gas chromatography. (1967). : New York : Interscience Publishers,.

Gaya MLA

Ettre, Leslie, S., , (ed)., Zlatkis, Albert, , , (ed). "The practices of gas chromatography.". 1967 : New York : Interscience Publishers,, 1967. Text.