APA (7th ed.) Citation

Western Australia. Main Roads Dept, Western Australia. Main Roads, & Western Australia. Main Roads Branch. Annual report. Main Roads Dept.

Chicago Style (17th ed.) Citation

Western Australia. Main Roads Dept, Western Australia. Main Roads, and Western Australia. Main Roads Branch. Annual Report. Perth, W.A.: Main Roads Dept.

MLA (8th ed.) Citation

Western Australia. Main Roads Dept, et al. Annual Report. Main Roads Dept.