(1974). Encyclopedia of world geography: Man and his world today. Octopus.
استشهاد بنمط شيكاغوEncyclopedia of World Geography: Man and His World Today. London: Octopus, 1974.
MLA استشهادEncyclopedia of World Geography: Man and His World Today. Octopus, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.