APA استشهاد

(2006). Countries of the world and their leaders yearbook, 2007. Farmington Hills, Mich: Gale Group.

استشهاد بنمط شيكاغو

Countries of the World and Their Leaders Yearbook, 2007. Farmington Hills, Mich: Gale Group, 2006.

MLA استشهاد

Countries of the World and Their Leaders Yearbook, 2007. Farmington Hills, Mich: Gale Group, 2006.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.