Smyth W. W. (1886). V. 42; The Quarterly Journal of the Geological Society of London. 1886.
Čikaški stil citiranja (17. izdanje)Smyth W. W. V. 42; The Quarterly Journal of the Geological Society of London. 1886, 1886.
MLA način citiranja (9. izdanje)Smyth W. W. V. 42; The Quarterly Journal of the Geological Society of London. 1886, 1886.
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