LENK J. D. (1990). LENK'S VIDEO HAND BOOK. ALLIED PUB. HOUSE.
Lua i Stíl Chicago (17ú heag.)LENK J. D. LENK'S VIDEO HAND BOOK. NEW YORK: ALLIED PUB. HOUSE, 1990.
Lua MLA (9ú heag.)LENK J. D. LENK'S VIDEO HAND BOOK. ALLIED PUB. HOUSE, 1990.
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