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