APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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