Não informado. (1991). Structural Engineering International. International Association for Bridge and Structural Engineering.
Citação do estilo Chicago (17ª ed.)Não informado. Structural Engineering International. Zurich, Suíça: International Association for Bridge and Structural Engineering, 1991.
Citação MLA (8ª ed.)Não informado. Structural Engineering International. International Association for Bridge and Structural Engineering, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.