Gaya APA

ASTM, . (2006). ASTM D 5321 - 02 Standard test method for determining the coefficient of soil and geosynthetic or geosynthetic and geosynthetic friction by the direct shear method . : ASTM.

Gaya MLA

ASTM, . "ASTM D 5321 - 02 Standard test method for determining the coefficient of soil and geosynthetic or geosynthetic and geosynthetic friction by the direct shear method". : ASTM, 2006. Diorama.