Joyce, M., & Wallersteiner, U. (1989). Ergonomics: Humanizing the automated office. South-Western Pub. Co..
Lua i Stíl Chicago (17ú heag.)Joyce, Marilyn, agus Ulrika Wallersteiner. Ergonomics: Humanizing the Automated Office. Cincinnati: South-Western Pub. Co., 1989.
Lua MLA (8ú heag.)Joyce, Marilyn, agus Ulrika Wallersteiner. Ergonomics: Humanizing the Automated Office. South-Western Pub. Co., 1989.
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