APA ציטוט

HEFTMANN, E. (1976). Chromatography of steroids. Elsevier.

Chicago Style (17th ed.) Citation

HEFTMANN, Erich. Chromatography of Steroids. Amsterdam: Elsevier, 1976.

ציטוט MLA

HEFTMANN, Erich. Chromatography of Steroids. Elsevier, 1976.