Dyfyniad APA

Seppanen, M. S. (2005). Microsoft office visio professional 2003. Boston , MA: McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Seppanen, Marvin S. Microsoft Office Visio Professional 2003. Boston , MA: McGraw-Hill/Irwin, 2005.

Dyfyniad MLA

Seppanen, Marvin S. Microsoft Office Visio Professional 2003. Boston , MA: McGraw-Hill/Irwin, 2005.

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