Lua APA (7ú heag.)

GORDON, J. (1979). Structures Why Things Don't Fall Down. Pitman.

Lua i Stíl Chicago (17ú heag.)

GORDON, J.E. Structures Why Things Don't Fall Down. Pitman, 1979.

Lua MLA (8ú heag.)

GORDON, J.E. Structures Why Things Don't Fall Down. Pitman, 1979.

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