Dyfyniad APA

Román Trigo, A. C. (2001). Costa Rica: Maritime Movement and Shipping Lines in the Port of Puntarenas 1833-1935.

Dyfyniad Arddull Chicago

Román Trigo, Ana Cecilia. Costa Rica: Maritime Movement and Shipping Lines in the Port of Puntarenas 1833-1935. 2001.

Dyfyniad MLA

Román Trigo, Ana Cecilia. Costa Rica: Maritime Movement and Shipping Lines in the Port of Puntarenas 1833-1935. 2001.

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