APA (7th ed.) Zitazioa
Polishes in the United Kingdom. Euromonitor International Ltd.
Chicago Style (17th ed.) Zitazioa
Polishes in the United Kingdom. Euromonitor International Ltd.
MLA (9th ed.) Zitazioa
Polishes in the United Kingdom. Euromonitor International Ltd.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.