Gaya APA

Wrana, R.. (1975). Rigid pavements; Austria . : Piarc.

Gaya Chicago

Wrana, R.. Rigid pavements; Austria. : Piarc, 1975. Computer Software.

Gaya MLA

Wrana, R.. Rigid pavements; Austria. : Piarc, 1975. Computer Software.

Gaya Turabian

Wrana, R.. Rigid pavements; Austria. : Piarc, 1975. Computer Software.