Lankton, L. D. (2010). Hollowed ground: Copper mining and community building on Lake Superior, 1840s-1990s. Wayne State University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lankton, Larry D. Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-1990s. Detroit, Mich.: Wayne State University Press, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lankton, Larry D. Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-1990s. Wayne State University Press, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.