BESLEY TIMOTHY. (2005). DEVELOPMENT CHALLENGES IN THE 1990. WORLD BANK.
Lua i Stíl Chicago (17ú heag.)BESLEY TIMOTHY. DEVELOPMENT CHALLENGES IN THE 1990. WASHINGTON: WORLD BANK, 2005.
Lua MLA (9ú heag.)BESLEY TIMOTHY. DEVELOPMENT CHALLENGES IN THE 1990. WORLD BANK, 2005.
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