APA (7th ed.) Zitazioa

Pielow, C. (1981). Guide to port entry 1981-82. Shipping Guides.

Chicago Style (17th ed.) Zitazioa

Pielow, Colin. Guide to Port Entry 1981-82. Surrey: Shipping Guides, 1981.

MLA (9th ed.) Zitazioa

Pielow, Colin. Guide to Port Entry 1981-82. Shipping Guides, 1981.