APA aipamena

United Nations. Dept. of Economic and Social Affairs. (1966). Transport of materials in bulk or in containers by pipe-lines. s.n.

Chicago Style aipamena

United Nations. Dept. of Economic and Social Affairs. Transport of Materials in Bulk or in Containers by Pipe-lines. New York: s.n, 1966.

MLA aipamena

United Nations. Dept. of Economic and Social Affairs. Transport of Materials in Bulk or in Containers by Pipe-lines. s.n, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.