Best, F. (1973). The future of work. Prentice-Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Best, Fred. The Future of Work. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1973.
Lua MLA (9ú heag.)Best, Fred. The Future of Work. Prentice-Hall, Inc, 1973.
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