Berry, A. (1950). The next Ten Thousand Years: A Vision of Man's Future in the Universe. London: Jonathan Capethirty Bedford Square.
استشهاد بنمط شيكاغوBerry, Adrian. The Next Ten Thousand Years: A Vision of Man's Future in the Universe. London: Jonathan Capethirty Bedford Square, 1950.
MLA استشهادBerry, Adrian. The Next Ten Thousand Years: A Vision of Man's Future in the Universe. London: Jonathan Capethirty Bedford Square, 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.