Heckethorn, C. W. (1897). The printers of Basle in the XV & XVI centuries: Their biographies, printed books and devices. printed by Unwin Brothers at the Gresham Press, and sold by T. Fisher Unwin, Paternoster Square.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Heckethorn, Charles William. The Printers of Basle in the XV & XVI Centuries: Their Biographies, Printed Books and Devices. London: printed by Unwin Brothers at the Gresham Press, and sold by T. Fisher Unwin, Paternoster Square, 1897.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Heckethorn, Charles William. The Printers of Basle in the XV & XVI Centuries: Their Biographies, Printed Books and Devices. printed by Unwin Brothers at the Gresham Press, and sold by T. Fisher Unwin, Paternoster Square, 1897.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.