Clifford, M. H., Dear, . I., Harvey, C., & Wolf, E. Pictorical encyclopedia of scientific knowledge. Sampson Low, Martson & Co.
Chicago Edition CitationClifford, Montagu H., I.S Dear, Charles Harvey, i E.S Wolf. Pictorical Encyclopedia of Scientific Knowledge. London: Sampson Low, Martson & Co.
Cita MLAClifford, Montagu H., et al. Pictorical Encyclopedia of Scientific Knowledge. Sampson Low, Martson & Co.
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