Dyfyniad APA

Sigel, E. (1983). The future of videotext: Worldwide prospects for home/office electronic information services. White Plains, NY: Knowledge Industry Publications.

Dyfyniad Arddull Chicago

Sigel, Efrem. The Future of Videotext: Worldwide Prospects for Home/office Electronic Information Services. White Plains, NY: Knowledge Industry Publications, 1983.

Dyfyniad MLA

Sigel, Efrem. The Future of Videotext: Worldwide Prospects for Home/office Electronic Information Services. White Plains, NY: Knowledge Industry Publications, 1983.

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