Sigel, E. (1983). The future of videotext: Worldwide prospects for home/office electronic information services. White Plains, NY: Knowledge Industry Publications.
Chicago-стиль цитированияSigel, Efrem. The Future of Videotext: Worldwide Prospects for Home/office Electronic Information Services. White Plains, NY: Knowledge Industry Publications, 1983.
MLA-цитированиеSigel, Efrem. The Future of Videotext: Worldwide Prospects for Home/office Electronic Information Services. White Plains, NY: Knowledge Industry Publications, 1983.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.