Gaya APA

Penelis, G, G., Penelis, G, G. (2014). CONCRETE BUILDINGS IN SEISMIC REGIONS . Broken Sound Parkway NW: CRC press.

Gaya MLA

Penelis, Geoge, G.., Penelis, Gregory, G.. "CONCRETE BUILDINGS IN SEISMIC REGIONS". Broken Sound Parkway NW: CRC press, 2014. Text.