ASIAN DEVELOPMENT BANK. (2003). ROAD FUNDS AND ROAD MAINTENANCE. ASIAN DEVELOPMENT BANK.
Chicago-referens (17:e uppl.)ASIAN DEVELOPMENT BANK. ROAD FUNDS AND ROAD MAINTENANCE. MANILA: ASIAN DEVELOPMENT BANK, 2003.
MLA-referens (9:e uppl.)ASIAN DEVELOPMENT BANK. ROAD FUNDS AND ROAD MAINTENANCE. ASIAN DEVELOPMENT BANK, 2003.
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