Dyfyniad APA

Lieber, E. (1964). Occupational health: Guide to safe guards against employee sickness and accident. Business.

Dyfyniad Arddull Chicago

Lieber, E.E. Occupational Health: Guide to Safe Guards Against Employee Sickness and Accident. London: Business, 1964.

Dyfyniad MLA

Lieber, E.E. Occupational Health: Guide to Safe Guards Against Employee Sickness and Accident. Business, 1964.

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