Dyfyniad APA

Howells, G. (1998). Consumer Product Safety Geraint Howells. Ashgate.

Dyfyniad Arddull Chicago

Howells, Geraint. Consumer Product Safety Geraint Howells. Ashgate, 1998.

Dyfyniad MLA

Howells, Geraint. Consumer Product Safety Geraint Howells. Ashgate, 1998.

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