Nixon, Richard, author
Warner Books, 1982
Buku Teks
Nixon, Richard, author
Simon & Schuster Building, 1990
Buku Teks
Leaders Magazine,
Majalah, Jurnal, Buletin
North Corolina : The American Biographical Institute, 1986,
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Sri-Edi Swasono, author
Pustep-UGM, 2005
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