Reader''s Digest. (2002). Life touched with wonder: The blessings of nature. Reader's Digest Association.
Citazione stile Chigago Style (17a edizione)Reader''s Digest. Life Touched with Wonder: The Blessings of Nature. Pleasantville: Reader's Digest Association, 2002.
Citatione MLA (9a ed.)Reader''s Digest. Life Touched with Wonder: The Blessings of Nature. Reader's Digest Association, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.