Clifton, R. T. (1970). Barbs, prongs, points, prickers, & stickers: A complete and illustrated catalogue of antique barbed wire ([1st ed.). University of Oklahoma Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clifton, Robert T. Barbs, Prongs, Points, Prickers, & Stickers: A Complete and Illustrated Catalogue of Antique Barbed Wire. [1st ed. Norman]: University of Oklahoma Press, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Clifton, Robert T. Barbs, Prongs, Points, Prickers, & Stickers: A Complete and Illustrated Catalogue of Antique Barbed Wire. [1st ed. University of Oklahoma Press, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.