Gaya APA

ASTM, . (1997). ASTM E 1140 - 95 Standard Practice for Testing Nitrogen / Phosphorus Thermionic Ionization Detectors for Use in Gas Chromatography . : s.n..

Gaya MLA

ASTM, . "ASTM E 1140 - 95 Standard Practice for Testing Nitrogen / Phosphorus Thermionic Ionization Detectors for Use in Gas Chromatography". : s.n., 1997. Diorama.