APA

Queensland Department of Transport, Transport Technology. Design and Survey Branch, . (1992). Development of design standards for steep downgrades. Brisbane: Queensland Department of Transport.

Chicago

Queensland Department of Transport, Transport Technology. Design and Survey Branch, . 1992. Development of design standards for steep downgrades. Brisbane: Queensland Department of Transport.

Harvard

Queensland Department of Transport, Transport Technology. Design and Survey Branch, . (1992). Development of design standards for steep downgrades. Brisbane: Queensland Department of Transport.

MLA

Queensland Department of Transport, Transport Technology. Design and Survey Branch, . Development of design standards for steep downgrades. Brisbane: Queensland Department of Transport. 1992.