(2003). RHD Management Plan: Planning & Maintenance Wing Management Manual (Issue 1.). Roads and Highways Department.
Cita Chicago (17th ed.)RHD Management Plan: Planning & Maintenance Wing Management Manual. Issue 1. Dhaka: Roads and Highways Department, 2003.
Cita MLA (9th ed.)RHD Management Plan: Planning & Maintenance Wing Management Manual. Issue 1. Roads and Highways Department, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.