Foster, L. Take a bite: The Sierra Club Kid's guide to hiking and backpacking (1st edition.).
Lua i Stíl Chicago (17ú heag.)Foster, Lynne. Take a Bite: The Sierra Club Kid's Guide to Hiking and Backpacking. 1st edition. Toronto: Little Brown and Company, 1990.
Lua MLA (9ú heag.)Foster, Lynne. Take a Bite: The Sierra Club Kid's Guide to Hiking and Backpacking. 1st edition.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.