Gaya APA

ASTM, . (1997). ASTM D 4022 - 94 ; ASTM D 4022 - 94 (Reapproved 2000) Standard specification for coal tar roof cement, asbestos containing . : ASTM.

Gaya MLA

ASTM, . "ASTM D 4022 - 94 ; ASTM D 4022 - 94 (Reapproved 2000) Standard specification for coal tar roof cement, asbestos containing". : ASTM, 1997. Diorama.