Gaya APA

ASTM, . (1997). ASTM D 1227 - 95 ; ASTM D 1227 - 95 Standard specification for emulsified asphalt used as a protective coating for roofing . : ASTM.

Gaya MLA

ASTM, . "ASTM D 1227 - 95 ; ASTM D 1227 - 95 Standard specification for emulsified asphalt used as a protective coating for roofing". : ASTM, 1997. Diorama.