Dyfyniad APA

Grogan, W. (1959). John Riffe of the steelworkers: American labor statesman. New York: Coward - McCann, Inc.

Dyfyniad Arddull Chicago

Grogan, William. John Riffe of the Steelworkers: American Labor Statesman. New York: Coward - McCann, Inc, 1959.

Dyfyniad MLA

Grogan, William. John Riffe of the Steelworkers: American Labor Statesman. New York: Coward - McCann, Inc, 1959.

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