United nations industrial development organization Vienna. (1976). Guidelines for establishing a demonstration foudry in a developing country. Vienna: United nations.
Chicago Style aipamenaUnited nations industrial development organization Vienna. Guidelines for Establishing a Demonstration Foudry in a Developing Country. Vienna: United nations, 1976.
MLA aipamenaUnited nations industrial development organization Vienna. Guidelines for Establishing a Demonstration Foudry in a Developing Country. Vienna: United nations, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.