The Vest-pocket entrepreneur : everything you need to start and run your own business / David E. Rye. (1996). Englewood Cliffs, NJ: Prentice-Hall, c.
The Vest-pocket entrepreneur : everything you need to start and run your own business / David E. Rye. . Englewood Cliffs, NJ: Prentice-Hall, c, 1996. Buku Referensi.