Kellogg, E., & Campbell, A. (1971). Labor and other capital: the rights of each secured and the wrongs of both eradicated: With an introductory essay "Edward Kellogg: father of greenbackism". A. M. Kelley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kellogg, Edward, و Alexander Campbell. Labor and Other Capital: The Rights of Each Secured and the Wrongs of Both Eradicated: With an Introductory Essay "Edward Kellogg: Father of Greenbackism". New York: A. M. Kelley, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kellogg, Edward, و Alexander Campbell. Labor and Other Capital: The Rights of Each Secured and the Wrongs of Both Eradicated: With an Introductory Essay "Edward Kellogg: Father of Greenbackism". A. M. Kelley, 1971.
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