Farrell, Mary (2013) African Regionalism: External Influences and Continental Shaping Forces. In: Carbone, Maurizio, (ed.) The European Union in Africa: The European Union in Africa: Incoherent Policies, Asymmetrical Partnership, Declining Relevance? Manchester University Press, Manchester, UK. ISBN 9780719083464

Farrell, Mary (2010) Spain and Portugal: continuity and consensus in Iberia. In: Carbone, Maurizio, (ed.) National Politics and European Integration: From the Constitution to the Lisbon Treaty. Edward Elgar Publishing, Cheltenham, UK, pp. 164-181. ISBN 978-1-84844-346-4 (Print), 978 1 84980 514 8 (Online)