Ayers, C. (1975). Specifications: For architecture, engineering and construction. McGraw-Hill.
استشهاد بنمط شيكاغوAyers, Chesley. Specifications: For Architecture, Engineering and Construction. New York: McGraw-Hill, 1975.
MLA استشهادAyers, Chesley. Specifications: For Architecture, Engineering and Construction. McGraw-Hill, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.