E., P., D., J., D., A.(1991).Project budgeting for buildings / Donald E. Parker, Alphonse J. Dell'Isola .New York:Van Nostrand Reinhold.
Gaya MLA
Parker, Donald, E.., Dell\'Isola, Alphonse, J.."Project budgeting for buildings / Donald E. Parker, Alphonse J. Dell'Isola".New York:Van Nostrand Reinhold,1991.Textbook.