Dyfyniad APA

Lumens, M. (1997). Aspects of control measures in occupational hygiene. s.n.].

Dyfyniad Arddull Chicago

Lumens, Mieke. Aspects of Control Measures in Occupational Hygiene. [S.l.: s.n.], 1997.

Dyfyniad MLA

Lumens, Mieke. Aspects of Control Measures in Occupational Hygiene. s.n.], 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.