APA (7th ed.) Zitazioa
Steele, G. (2021). Port maintenance handbook. ICE Publishing.
Chicago Style (17th ed.) Zitazioa
Steele, George. Port Maintenance Handbook. London: ICE Publishing, 2021.
MLA (9th ed.) Zitazioa
Steele, George. Port Maintenance Handbook. ICE Publishing, 2021.
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