APA-čujuhus (7. p.)
Richardson, D. (1977). Lords of the earth. G/L Regal Books.
Chicago-čujuhus (17. p.)
Richardson, Don. Lords of the Earth. Glendale, Calif.: G/L Regal Books, 1977.
MLA-čujuhus (9. p.)
Richardson, Don. Lords of the Earth. G/L Regal Books, 1977.
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