APA aipamena

Schaefer, A. (1975). The banks in a Time of Challenge. Zurich: Union Bank of Switzerland.

Chicago Style aipamena

Schaefer, A. The Banks in a Time of Challenge. Zurich: Union Bank of Switzerland, 1975.

MLA aipamena

Schaefer, A. The Banks in a Time of Challenge. Zurich: Union Bank of Switzerland, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.