Wright, M.G.
Using discounted cash flow in investment appraisal
McGraw-Hill, 1990
Buku Teks
Sarkar, B.
Investigatory projects in biology / B. Sarkar, M. Majumdar
Tata McGraw-Hill , 1995
Buku Teks
Wright, M.G.
Discounted cash flow
McGraw-Hill, 1973, 1967
Buku Teks
Mott, Graham
Investment appraisal
Pitman, 1997
Buku Teks
Roemer, Michael
The appraisal of development projects Michael Roemer
New York Praeger 1975,
Buku Teks