Kreps, E. H. (1910). Camp and trail methods: Interesting information for all lovers of nature, what to take and what to do. Harding.
Lua i Stíl Chicago (17ú heag.)Kreps, Elmer Harry. Camp and Trail Methods: Interesting Information for All Lovers of Nature, What to Take and What to Do. Columbus, Ohio: Harding, 1910.
Lua MLA (8ú heag.)Kreps, Elmer Harry. Camp and Trail Methods: Interesting Information for All Lovers of Nature, What to Take and What to Do. Harding, 1910.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.