Gaya APA

ASTM, . (2006). ASTM D 6820 - 02 Standard guide for use of the time domain electromagnetic method for subsurface investigation . : ASTM.

Gaya MLA

ASTM, . "ASTM D 6820 - 02 Standard guide for use of the time domain electromagnetic method for subsurface investigation". : ASTM, 2006. Diorama.