Silverberg, B. R. (1998). Transit advertising revenue: Traditional and new sources and structures. National Academy Press.
Chicago-viite (17. p.)Silverberg, Beverly R. Transit Advertising Revenue: Traditional and New Sources and Structures. Washington, D.C: National Academy Press, 1998.
MLA-viite (9. p.)Silverberg, Beverly R. Transit Advertising Revenue: Traditional and New Sources and Structures. National Academy Press, 1998.
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