Hong, G., S. et al.(2005).Beyond Book Value: lessons learned from PT Perkebunan Nusantara III (Persero) in creating value .Jakarta:RAY Indonesia.
Gaya MLA
Hong, Goei, Siauw. et al."Beyond Book Value: lessons learned from PT Perkebunan Nusantara III (Persero) in creating value".Jakarta:RAY Indonesia,2005.Textbook.