Dyfyniad APA

(2004).  Elevated work platforms and scaffolding: Safety manual.  MCGraw Hill.

Dyfyniad Arddull Chicago

 Elevated Work Platforms and Scaffolding: Safety Manual.  MCGraw Hill, 2004.

Dyfyniad MLA

 Elevated Work Platforms and Scaffolding: Safety Manual.  MCGraw Hill, 2004.

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