Royal Geographical Society (Great Britain), Freshfield, D. W., & Wharton, W. J. L. (1889). Hints to travellers, scientific and general (6th ed., rev. and enl.). Royal Geographical Society.
Citace podle Chicago (17th ed.)Royal Geographical Society (Great Britain), Douglas William Freshfield, a W. J. L. Wharton. Hints to Travellers, Scientific and General. 6th ed., rev. and enl. London: Royal Geographical Society, 1889.
Citace podle MLA (8th ed.)Royal Geographical Society (Great Britain), et al. Hints to Travellers, Scientific and General. 6th ed., rev. and enl. Royal Geographical Society, 1889.
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