Speck, F. G. (1941). Art processes in birchbark of the river desert Algonquin: A circumboreal trait. Government Printing Office.
Citazione stile Chigago Style (17a edizione)Speck, Frank G. Art Processes in Birchbark of the River Desert Algonquin: A Circumboreal Trait. Washington, D.C: Government Printing Office, 1941.
Citatione MLA (9a ed.)Speck, Frank G. Art Processes in Birchbark of the River Desert Algonquin: A Circumboreal Trait. Government Printing Office, 1941.
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