(1993). Gale directory of publications and broadcast media: Update. Gale Research Inc..
Chicagoスタイル(17版)引用形式Gale Directory of Publications and Broadcast Media: Update. Detroit, Michigan: Gale Research Inc., 1993.
MLA(9版)引用形式Gale Directory of Publications and Broadcast Media: Update. Gale Research Inc., 1993.
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