Gaya APA

SULLIVAN, G. (2005). BUILT TO LAST: Building America's Amazing Bridges, Dams, Tunnels, and Skyscrapers (Cet. 10). Singapura: Scholastic.

Gaya MLA

SULLIVAN, George. "BUILT TO LAST: Building America's Amazing Bridges, Dams, Tunnels, and Skyscrapers". Cet. 10 Singapura: Scholastic, 2005. Text.