Gaya APA

ASTM, . (1997). ASTM D 4402 - 87 ; D 4402 - 2002 Standard test method for viscosity determination of unfilled asphalts using the brookfield thermosel apparatus . : ASTM.

Gaya MLA

ASTM, . "ASTM D 4402 - 87 ; D 4402 - 2002 Standard test method for viscosity determination of unfilled asphalts using the brookfield thermosel apparatus". : ASTM, 1997. Diorama.