Ports '80 Norfolk, Va., American Society of Civil Engineers. Committee on Ports and Harbors, American Association of Port Authorities, Virginia Port Authority, & Mascenik, J. (1980). Ports '80: Omni International Hotel, Norfolk, Virginia, May 19-21, 1980. American Society of Civil Engineers.
Cita Chicago (17th ed.)Ports '80 Norfolk, Va., American Society of Civil Engineers. Committee on Ports and Harbors, American Association of Port Authorities, Virginia Port Authority, i John Mascenik. Ports '80: Omni International Hotel, Norfolk, Virginia, May 19-21, 1980. New York, N.Y.: American Society of Civil Engineers, 1980.
Cita MLA (8th ed.)Ports '80 Norfolk, Va., et al. Ports '80: Omni International Hotel, Norfolk, Virginia, May 19-21, 1980. American Society of Civil Engineers, 1980.