Barton. The Changing Nature of the Maine Woods. University of New Hampshire Press.
Citazione stile Chigago Style (17a edizione)Barton. The Changing Nature of the Maine Woods. University of New Hampshire Press.
Citatione MLA (8a ed.)Barton. The Changing Nature of the Maine Woods. University of New Hampshire Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.