Ardenne, P., Penwarden, C., Barmann, S., Fruhtrunk, W., & Koons, J. (2007). Pierre et Gilles, [Double je, 1976 - 2007]: [introduction: Jeff Koons. Text: Paul Ardenne. English translation: Charles Penwarden. German translation: Stefan Barmann. French translation of the text by Jeff Koons: Wolf Fruhtrunk]. Taschen.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ardenne, Paul, Charles Penwarden, Stefan Barmann, Wolf Fruhtrunk, و Jeff Koons. Pierre Et Gilles, [Double Je, 1976 - 2007]: [introduction: Jeff Koons. Text: Paul Ardenne. English Translation: Charles Penwarden. German Translation: Stefan Barmann. French Translation of the Text by Jeff Koons: Wolf Fruhtrunk]. Köln: Taschen, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ardenne, Paul, et al. Pierre Et Gilles, [Double Je, 1976 - 2007]: [introduction: Jeff Koons. Text: Paul Ardenne. English Translation: Charles Penwarden. German Translation: Stefan Barmann. French Translation of the Text by Jeff Koons: Wolf Fruhtrunk]. Taschen, 2007.