Harms, H. U. t. d. H. (2017). Self-help housing in developed and third world countries. Universidad Central de Venezuela.
استشهاد بنمط شيكاغوHarms, Hans; Universidad técnica de Hamburg. Self-help Housing in Developed and Third World Countries. Universidad Central de Venezuela, 2017.
MLA استشهادHarms, Hans; Universidad técnica de Hamburg. Self-help Housing in Developed and Third World Countries. Universidad Central de Venezuela, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.