Nixon, Richard
Simon & Schuster Building, 1990
Buku Teks
Leaders Magazine,
Majalah, Jurnal, Buletin
North Corolina : The American Biographical Institute, 1986,
Buku Referensi
Sri-Edi Swasono
Pustep-UGM, 2005
Buku Teks
Slamet Riyadi
Program Pascasarjana Universitas Indonesia, 2013
UI - Tesis Membership