(1959). Britannica book of the year 1959: The illustrated factual record of great events of important year. Chicago: Encyclopedia Britannica.
استشهاد بنمط شيكاغوBritannica Book of the Year 1959: The Illustrated Factual Record of Great Events of Important Year. Chicago: Encyclopedia Britannica, 1959.
MLA استشهادBritannica Book of the Year 1959: The Illustrated Factual Record of Great Events of Important Year. Chicago: Encyclopedia Britannica, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.