Kogan, G., & Leininger, N. (1954). The Ascent of Alpamayo: An account of the Franco Belgian Expedition to the Cordillera Blanca in the High Andes. With a foreword by Maurice Herzog. Translated by Peter E. Thompson (1a. ed.). George G. Harrap & Co. Ltd.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kogan, Georges, و Nicole Leininger. The Ascent of Alpamayo: An Account of the Franco Belgian Expedition to the Cordillera Blanca in the High Andes. With a Foreword by Maurice Herzog. Translated by Peter E. Thompson. 1a. ed. Londres: George G. Harrap & Co. Ltd, 1954.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Kogan, Georges, و Nicole Leininger. The Ascent of Alpamayo: An Account of the Franco Belgian Expedition to the Cordillera Blanca in the High Andes. With a Foreword by Maurice Herzog. Translated by Peter E. Thompson. 1a. ed. George G. Harrap & Co. Ltd, 1954.