UNESCO. (1982). Earthquake Risk Reduction In The Balkan Region: ; Workin Group C - Seismic Risk Assesment And Development Of Model Code For Seismic Design (1. Edisyon.). UNESCO.
Chicago Style (17. basım) AtıfUNESCO. Earthquake Risk Reduction In The Balkan Region: ; Workin Group C - Seismic Risk Assesment And Development Of Model Code For Seismic Design. 1. Edisyon. Sofya: UNESCO, 1982.
MLA (9th ed.) AtıfUNESCO. Earthquake Risk Reduction In The Balkan Region: ; Workin Group C - Seismic Risk Assesment And Development Of Model Code For Seismic Design. 1. Edisyon. UNESCO, 1982.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..