Ludlum, R. (2003). The Altman code: A covert one novel : Serie created by Robert Ludlum, written by Gayle Lynds. St. Martin`s Griffin.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ludlum, Robert. The Altman Code: A Covert One Novel : Serie Created by Robert Ludlum, Written by Gayle Lynds. St. Martin`s Griffin, 2003.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ludlum, Robert. The Altman Code: A Covert One Novel : Serie Created by Robert Ludlum, Written by Gayle Lynds. St. Martin`s Griffin, 2003.
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