Hazeltine,Barrett, & Bull,Christopher. (1999). Appropriate technology: :tools,choices and implications. Academic press.
Chicago-стиль цитированияHazeltine,Barrett, and Bull,Christopher. Appropriate Technology: :tools,choices and Implications. USA: Academic press, 1999.
MLA-цитированиеHazeltine,Barrett, and Bull,Christopher. Appropriate Technology: :tools,choices and Implications. Academic press, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.