Não informado. (1969). Ergonomics Abstracts. Birmingham University, Ergonomics Information Analysis Centre.
Chicago-viite (17. p.)Não informado. Ergonomics Abstracts. Birmingham, Inglaterra: Birmingham University, Ergonomics Information Analysis Centre, 1969.
MLA-viite (8. p.)Não informado. Ergonomics Abstracts. Birmingham University, Ergonomics Information Analysis Centre, 1969.
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