Kristensen, T. (1960). The economic world balance. Copenhagen: Munksgaard.
Chicago Style aipamenaKristensen, Thorkil. The Economic World Balance. Copenhagen: Munksgaard, 1960.
MLA aipamenaKristensen, Thorkil. The Economic World Balance. Copenhagen: Munksgaard, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.