Cita APA (7th ed.)

Schomburg, G. (1990). Gas chromatography: A practical course. VCH.

Cita Chicago (17th ed.)

Schomburg, Gerhard. Gas Chromatography: A Practical Course. Weinheim: VCH, 1990.

Cita MLA (9th ed.)

Schomburg, Gerhard. Gas Chromatography: A Practical Course. VCH, 1990.