Eide, E. (1979). Engineering production and cost functions for tankers. Elsevier.
Chicago Style aipamenaEide, Erling. Engineering Production and Cost Functions for Tankers. Amsterdam: Elsevier, 1979.
MLA aipamenaEide, Erling. Engineering Production and Cost Functions for Tankers. Elsevier, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.