Portugal. Secretariado Nacional para a Informação e Turismo\nOffice of the Secretary of State for Information and Tourism. (2015). Portugal: An informative review. Secretary of State for Information and Tourism.
Chicago-Zitierstil (17. Ausg.)Portugal. Secretariado Nacional para a Informação e Turismo\nOffice of the Secretary of State for Information and Tourism. Portugal: An Informative Review. Lisboa: Secretary of State for Information and Tourism, 2015.
MLA-Zitierstil (8. Ausg.)Portugal. Secretariado Nacional para a Informação e Turismo\nOffice of the Secretary of State for Information and Tourism. Portugal: An Informative Review. Secretary of State for Information and Tourism, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.