Gaya APA

ASTM, . (2006). ASTM D 4751 - 04 Standard test method for determining apparent opening size of a geotextile . : ASTM.

Gaya MLA

ASTM, . "ASTM D 4751 - 04 Standard test method for determining apparent opening size of a geotextile". : ASTM, 2006. Diorama.