Musings of Chinese Mystic : selections / from the philosophy of Chuang Tzu
John Murray, 1947
 Buku Teks SO
Curtin, Steve
Delight your customers: 7 simple ways to raise your customer service from ordinary to extraordinary
[American Management Association, ], 2013
 eBooks
Nakamura, Hajime
A history of the development of Japanese thought from A.D. 592 to 1868; Vol. 2
Kokusai Bunka Shinkokai, 1969
 Buku Teks SO
Buchanan, James M.
The collected works of James M. Buchanan vol. 2 : public principles of public debt
Liberty Fund, 1999
 Buku Referensi
Hyun-dong, Han
Virus: waspada munculnya mutasi virus, vol. 2 = survival from a Virus 2
Alex Media Komputindo, 2012
 Buku Teks SO