GLAESSNER THOMAS C. (2004). ELECTRONIC SAFETY AND SOUNDNESS. WORLD BANK.
Lua i Stíl Chicago (17ú heag.)GLAESSNER THOMAS C. ELECTRONIC SAFETY AND SOUNDNESS. WASHINGTON: WORLD BANK, 2004.
Lua MLA (9ú heag.)GLAESSNER THOMAS C. ELECTRONIC SAFETY AND SOUNDNESS. WORLD BANK, 2004.
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