Hartstein, Morris E., editor
Springer, 2012
eBooks
Moritz, Andreas, author
Welness Press, 2009
Buku Teks
Jakarta: Dep. Penerangan RI,
Buku Teks
Aryanugraha, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis Open
Erian, Anthony, editor
Springer, 2012
eBooks