Clarke, A. C., & Books, t. s. o. T. (1969). Man and space. Time-Life.
Lua i Stíl Chicago (17ú heag.)Clarke, Arthur C., agus the s of Time-Life Books. Man and Space. New York: Time-Life, 1969.
Lua MLA (9ú heag.)Clarke, Arthur C., agus the s of Time-Life Books. Man and Space. Time-Life, 1969.
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