Gaya APA

Keulemans, A, , , , I, , , , , , M. (1959). Gas chromatography. (1959). : New York : Reinhold Publishing Corp.,.

Gaya MLA

Keulemans, A, , , , I, , , , , , M.. "Gas chromatography.". 1959 : New York : Reinhold Publishing Corp.,, 1959. Text.