Volunteers for International Technical Assistance. (1970). Village technology handbook ([2d ed. rev.].). College Campus.
Chicago-referens (17:e uppl.)Volunteers for International Technical Assistance. Village Technology Handbook. [2d ed. rev.]. Schenectady, N.Y.: College Campus, 1970.
MLA-referens (8:e uppl.)Volunteers for International Technical Assistance. Village Technology Handbook. [2d ed. rev.]. College Campus, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.