APA aipamena

Vlekke, B. H. M. (1963). Evolution of the Dutch nation. Netherland: [s.n.].

Chicago Style aipamena

Vlekke, Bernard H. M. Evolution of the Dutch Nation. Netherland: [s.n.], 1963.

MLA aipamena

Vlekke, Bernard H. M. Evolution of the Dutch Nation. Netherland: [s.n.], 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.