Organisation for Economic Co-operation and Development. (1981). Bridge maintenance: A report. Organisation for Economic Co-operation and Development sold by OECD Publications and Information Center].
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development. Bridge Maintenance: A Report. Paris, [Washington, D.C: Organisation for Economic Co-operation and Development sold by OECD Publications and Information Center], 1981.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organisation for Economic Co-operation and Development. Bridge Maintenance: A Report. Organisation for Economic Co-operation and Development sold by OECD Publications and Information Center], 1981.
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