Calçada dos Gigantes (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Calçada dos Gigantes" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

104^th place

114^th place

1books.google.com

3^rd place

6^th place

books.google.com

Jack Challoner, John Farndon, Rodney Walshaw (2004). Rocks, Minerals and the Changing Earth. [S.l.]: Southwater. p. 19. ISBN 9781842159750

unesco.org

whc.unesco.org

«Giant's Causeway and Causeway Coast». UNESCO World Heritage Centre. Consultado em 21 de junho de 2009