APA (7th ed.) Zitazioa

Theakston, K. (2004). British foreign secretaries since 1974. Routledge.

Chicago Style (17th ed.) Zitazioa

Theakston, Kevin. British Foreign Secretaries Since 1974. London ; New York: Routledge, 2004.

MLA (9th ed.) Zitazioa

Theakston, Kevin. British Foreign Secretaries Since 1974. Routledge, 2004.