Robert, H., X., M., F.(1986).Planning and design of airports / Robert Horonjeff,Francis X. McKelvey (Ed.ke-3).New York:McGraw-Hill book company.
Gaya MLA
Horonjeff, Robert., McKelvey, Francis, X.."Planning and design of airports / Robert Horonjeff,Francis X. McKelvey".Ed.ke-3New York:McGraw-Hill book company,1986.Textbook.