Review of maritime transport, 1968 : (Review of current and long-term aspects of maritime transport)
MLA
Review of Maritime Transport, 1968: (review of Current and Long-term Aspects of Maritime Transport). New York: United Nations, 1969
APA, 7th edition
(1969). Review of maritime transport, 1968: (Review of current and long-term aspects of maritime transport). New York: United Nations
Chicago, 17th edition
Review of maritime transport, 1968: (Review of current and long-term aspects of maritime transport). New York: United Nations, 1969