Sang,Heng-Kang. (1995). Project evaluation: Techniques and practices for developing countries. Ashgate.
Chicago-стиль цитированияSang,Heng-Kang. Project Evaluation: Techniques and Practices for Developing Countries. U K: Ashgate, 1995.
MLA-цитированиеSang,Heng-Kang. Project Evaluation: Techniques and Practices for Developing Countries. Ashgate, 1995.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.