APA aipamena

(1968). Services for British exporters. London: H.M. Stationery Off.

Chicago Style aipamena

Services for British Exporters. London: H.M. Stationery Off, 1968.

MLA aipamena

Services for British Exporters. London: H.M. Stationery Off, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.