TIPPER, H. (1976). Controlling Overhead Harry Tipper. Taraporevala.
Lua i Stíl Chicago (17ú heag.)TIPPER, Harry. Controlling Overhead Harry Tipper. Taraporevala, 1976.
Lua MLA (8ú heag.)TIPPER, Harry. Controlling Overhead Harry Tipper. Taraporevala, 1976.
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