Volunteers for International Technical Assistance. (1970). Village technology handbook ([2d ed. rev.].). College Campus.
Chicago (17e ed.) BronvermeldingVolunteers for International Technical Assistance. Village Technology Handbook. [2d ed. rev.]. Schenectady, N.Y.: College Campus, 1970.
MLA (8e ed.) BronvermeldingVolunteers for International Technical Assistance. Village Technology Handbook. [2d ed. rev.]. College Campus, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.