Gaya APA

ASTM, . (1997). ASTM E 1131 - 93 Standard Test Method for Compositional Analysis by Thermogravimetry . : s.n..

Gaya MLA

ASTM, . "ASTM E 1131 - 93 Standard Test Method for Compositional Analysis by Thermogravimetry". : s.n., 1997. Diorama.