Gaya APA

Hansen, Per Borg. (1975). Flexible pavements; Norway . : Piarc.

Gaya Chicago

Hansen, Per Borg. Flexible pavements; Norway. : Piarc, 1975. Computer Software.

Gaya MLA

Hansen, Per Borg. Flexible pavements; Norway. : Piarc, 1975. Computer Software.

Gaya Turabian

Hansen, Per Borg. Flexible pavements; Norway. : Piarc, 1975. Computer Software.