Gaya APA

ASTM, . (1997). 1997 Annual Book of ASTM Standards. Section 4 Construction. Volume 04.04. Roofing, waterproofing and bituminous materials . : ASTM.

Gaya MLA

ASTM, . "1997 Annual Book of ASTM Standards. Section 4 Construction. Volume 04.04. Roofing, waterproofing and bituminous materials". : ASTM, 1997. Diorama.