Dyfyniad APA

Abdullah, R., & Hubner, R. (2006). Pictograms, icons and signs: A guide to information graphics. Thames and Hudson.

Dyfyniad Arddull Chicago

Abdullah, Rayan, and Roger Hubner. Pictograms, Icons and Signs: A Guide to Information Graphics. Londres: Thames and Hudson, 2006.

Dyfyniad MLA

Abdullah, Rayan, and Roger Hubner. Pictograms, Icons and Signs: A Guide to Information Graphics. Thames and Hudson, 2006.

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