Dyfyniad APA

Walsh, B., & Russell, L. (1974). ABC of industrial safety. Pitman publishing corporation.

Dyfyniad Arddull Chicago

Walsh, Bill, and Lawrence Russell. ABC of Industrial Safety. New York: Pitman publishing corporation, 1974.

Dyfyniad MLA

Walsh, Bill, and Lawrence Russell. ABC of Industrial Safety. Pitman publishing corporation, 1974.

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