Gaya APA

ASTM, ., ASTM, . (2014). 2014 Annual Book of ASTM Standards. Section 4 Construction. Volume 04.08 Soil and Rock (I): D420-D5876 . America: ASTM International.

Gaya MLA

ASTM, ., ASTM, . "2014 Annual Book of ASTM Standards. Section 4 Construction. Volume 04.08 Soil and Rock (I): D420-D5876". America: ASTM International, 2014. Text.