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.
Lua i Stíl Chicago (17ú heag.)Royal Geographical Society (Great Britain), Douglas William Freshfield, agus W. J. L. Wharton. Hints to Travellers, Scientific and General. 6th ed., rev. and enl. London: Royal Geographical Society, 1889.
Lua MLA (8ú heag.)Royal Geographical Society (Great Britain), et al. Hints to Travellers, Scientific and General. 6th ed., rev. and enl. Royal Geographical Society, 1889.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.