Style de citation APA (7e éd.)

(2002). Countries of the world and their leaders yearbook, 2003. Gale Group.

Style de citation Chicago (17e éd.)

Countries of the World and Their Leaders Yearbook, 2003. Farmington Hills, Mich: Gale Group, 2002.

Style de citation MLA (9e éd.)

Countries of the World and Their Leaders Yearbook, 2003. Gale Group, 2002.