Gaya APA

ZHAO, J, J., TONIAS, D, E. (2017). Bridge engineering: (4th. ed.). United States of America: Mc-Graw Hill Educational.

Gaya MLA

ZHAO, Jim, J.., TONIAS, Demetrios, E.. "Bridge engineering:". 4th. ed. United States of America: Mc-Graw Hill Educational, 2017. Text.