Gaya APA
5th and 6th Conference proceedings : Delft, 1982, Ann Arbor, 1987. (2004).
White Bear Lake, MN:
International Society for Asphlat Pavements.
Gaya MLA
5th and 6th Conference proceedings : Delft, 1982, Ann Arbor, 1987.
.
White Bear Lake, MN:
International Society for Asphlat Pavements,
2004.
Text.