Dyfyniad APA

PETERSEN, D. (1971). Techniques Of Safety Management Daniel Petersen. McGraw-Hill.

Dyfyniad Arddull Chicago

PETERSEN, Daniel. Techniques Of Safety Management Daniel Petersen. McGraw-Hill, 1971.

Dyfyniad MLA

PETERSEN, Daniel. Techniques Of Safety Management Daniel Petersen. McGraw-Hill, 1971.

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