JANSSON, P. (1995). Engineering Mechanics Statics Per-ake Jansson. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)JANSSON, Per-Ake. Engineering Mechanics Statics Per-ake Jansson. Prentice Hall, 1995.
Lua MLA (8ú heag.)JANSSON, Per-Ake. Engineering Mechanics Statics Per-ake Jansson. Prentice Hall, 1995.
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