Lohse, R. P. (2015). Lines of Development, 1943-84. Systems.
Lua i Stíl Chicago (17ú heag.)Lohse, Richard Paul. "Lines of Development, 1943-84." Systems 2015.
Lua MLA (8ú heag.)Lohse, Richard Paul. "Lines of Development, 1943-84." Systems, 2015.
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