Dyfyniad APA

Journal of shipping World and ship builders. Marine publication.

Dyfyniad Arddull Chicago

Journal of Shipping World and Ship Builders. Marine publication.

Dyfyniad MLA

Journal of Shipping World and Ship Builders. Marine publication.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.