Dyfyniad APA

Lawrence, T. G. a. (1973). Your health and safety: In a changing environment. Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

Lawrence, Thomas Gordon...[et al]. Your Health and Safety: In a Changing Environment. Nueva York: Harcourt Brace Jovanovich, 1973.

Dyfyniad MLA

Lawrence, Thomas Gordon...[et al]. Your Health and Safety: In a Changing Environment. Harcourt Brace Jovanovich, 1973.

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