Watson, J. H., & Nicholas Meyer [ed.]. (1975). Seven percent solution. Hodder and Stoughton.
Čikaški stil citiranjaWatson, John H., i Nicholas Meyer [ed.]. Seven Percent Solution. London: Hodder and Stoughton, 1975.
MLA način citiranjaWatson, John H., i Nicholas Meyer [ed.]. Seven Percent Solution. Hodder and Stoughton, 1975.
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