Lorange, P. (1980). Corporate planning: An executive viewpoint. Prentice-Hall.
Chicago-viite (17. p.)Lorange, Peter. Corporate Planning: An Executive Viewpoint. Englewood Cliffs, N.J.: Prentice-Hall, 1980.
MLA-viite (9. p.)Lorange, Peter. Corporate Planning: An Executive Viewpoint. Prentice-Hall, 1980.
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