Gaya APA

Grubb, M, A. (1999). Four LRFD Design Examples Of Steel Highway Bridges U.S. Units. Vol. II, Chap. 2B Highway Structures Design Handbook . America: NSBA.

Gaya MLA

Grubb, Michael, A. "Four LRFD Design Examples Of Steel Highway Bridges U.S. Units. Vol. II, Chap. 2B Highway Structures Design Handbook". America: NSBA, 1999. Text.