Petersen H. Craig, Lewis W. Cris, . (1999). Managerial Economics. New Jersey: Prentice-Hall, Inc.
Petersen H. Craig, Lewis W. Cris, . 1999. Managerial Economics. New Jersey: Prentice-Hall, Inc.
Petersen H. Craig, Lewis W. Cris, . Managerial Economics. New Jersey: Prentice-Hall, Inc. 1999.