Dyfyniad APA

(1993). Beautiful Barrier-free: A Visual To Accessibility / Cynthia Leibrock. Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Beautiful Barrier-free: A Visual To Accessibility / Cynthia Leibrock. Van Nostrand Reinhold, 1993.

Dyfyniad MLA

Beautiful Barrier-free: A Visual To Accessibility / Cynthia Leibrock. Van Nostrand Reinhold, 1993.

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