APA

Organisation for Economic Co-operation and Development, . (1972). Maintenance of rural roads: principles of a road maintenance management system. [Paris]: Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.].

Chicago

Organisation for Economic Co-operation and Development, . 1972. Maintenance of rural roads: principles of a road maintenance management system. [Paris]: Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.].

Harvard

Organisation for Economic Co-operation and Development, . (1972). Maintenance of rural roads: principles of a road maintenance management system. [Paris]: Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.].

MLA

Organisation for Economic Co-operation and Development, . Maintenance of rural roads: principles of a road maintenance management system. [Paris]: Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.]. 1972.