Lorange, P. (1980). Corporate planning: An executive viewpoint. Prentice-Hall.
Chicago-čujuhus (17. p.)Lorange, Peter. Corporate Planning: An Executive Viewpoint. Englewood Cliffs, N.J.: Prentice-Hall, 1980.
MLA-čujuhus (9. p.)Lorange, Peter. Corporate Planning: An Executive Viewpoint. Prentice-Hall, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.