Depasupil, W. B. (2000). Sa ransom scandal: Libel case vs. Der Spiegel, iniurong ; apology, hiningi. Kabayan.
Lua i Stíl Chicago (17ú heag.)Depasupil, William B. "Sa Ransom Scandal: Libel Case Vs. Der Spiegel, Iniurong ; Apology, Hiningi." Kabayan 2000.
Lua MLA (9ú heag.)Depasupil, William B. "Sa Ransom Scandal: Libel Case Vs. Der Spiegel, Iniurong ; Apology, Hiningi." Kabayan, 2000.
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