Gaya APA
Huang, Y, H. (2012).
Pavement analysis and design Second Edition (2nd ed.).
united states of america:
Pearson Prentice Hall.
Gaya MLA
Huang, Yang, H..
"Pavement analysis and design Second Edition".
2nd ed.
united states of america:
Pearson Prentice Hall,
2012.
Text.