Gaya APA

ASTM., . (1978). 1978 annual book of ASTM standard part 18. Building constructions; environmental acoustics; Thermal and cryogenic insulating materials; building seals and sealants; fire standards. (1978). : Philadelphia : ASTM.,.

Gaya MLA

ASTM., . "1978 annual book of ASTM standard part 18. Building constructions; environmental acoustics; Thermal and cryogenic insulating materials; building seals and sealants; fire standards.". 1978 : Philadelphia : ASTM.,, 1978. Text.