Harbison, R. (1993). The Built The Unbuilt And The Unbuiltable In Pursuit Of Architectural Meaning With 140 Illustrations. Thames and Hudson.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harbison, Robert. The Built The Unbuilt And The Unbuiltable In Pursuit Of Architectural Meaning With 140 Illustrations. Thames and Hudson, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Harbison, Robert. The Built The Unbuilt And The Unbuiltable In Pursuit Of Architectural Meaning With 140 Illustrations. Thames and Hudson, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.