Leavitt, W. ,., & Skinner, R. M. ,. (1962). Speaking of space: The best from Space digest. Boston: little, Brown and Company.
استشهاد بنمط شيكاغوLeavitt, William ,, و Richard M. Skinner. Speaking of Space: The Best From Space Digest. Boston: little, Brown and Company, 1962.
MLA استشهادLeavitt, William ,, و Richard M. Skinner. Speaking of Space: The Best From Space Digest. Boston: little, Brown and Company, 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.