Johnson, M. D. (2003). At work: The art of California labor ([First Edition].). California Historical Society Press in conjunction with Heyday Books, San Francisco State University, and the California Labor Federation, AFL-CIO.
Citace podle Chicago (17th ed.)Johnson, Mark Dean. At Work: The Art of California Labor. [First Edition]. San Francisco: California Historical Society Press in conjunction with Heyday Books, San Francisco State University, and the California Labor Federation, AFL-CIO, 2003.
Citace podle MLA (9th ed.)Johnson, Mark Dean. At Work: The Art of California Labor. [First Edition]. California Historical Society Press in conjunction with Heyday Books, San Francisco State University, and the California Labor Federation, AFL-CIO, 2003.
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