Schaefer, D. A. (1974). The state as employer. Zurich: The Union Bank of Switzerland.
Chicago Style aipamenaSchaefer, Dr. A. The State As Employer. Zurich: The Union Bank of Switzerland, 1974.
MLA aipamenaSchaefer, Dr. A. The State As Employer. Zurich: The Union Bank of Switzerland, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.