GORDON, J. (1979). Structures Why Things Don't Fall Down. Pitman.
Chicago-стиль цитированияGORDON, J.E. Structures Why Things Don't Fall Down. Pitman, 1979.
MLA-цитированиеGORDON, J.E. Structures Why Things Don't Fall Down. Pitman, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.