Yoga Soegomo
Pustaka Kartini, 1986
Buku Teks
Ostrom, Vincent, author
University of Michigan Press, 1997
Buku Teks
Linze Schaap
Springer-VS, 2012
eBooks
Nasution, Abdul Haris, 1918-2000, author
Seruling Masa, 1971
Buku Teks
Asra Virgianita, author
2014
UI - Makalah dan Kertas Kerja