Gaya APA

Baldasser, J, E., Agah, H, R. (1994). Gilsonite resin - a modifier for high stability pavements . : HPJI.

Gaya MLA

Baldasser, Joseph, E.., Agah, Heddy, R.. "Gilsonite resin - a modifier for high stability pavements". : HPJI, 1994. Computer Software.