White J. A., Agee M. H. & Case K. E.Principles of engineering economic analysis. s.l: John Wiley & Sons.
White John A, Agee Marvin H and Case Kenneth E.Principles of engineering economic analysis. s.l: John Wiley & Sons.
White J. A., Agee M. H. and Case K. E.Principles of engineering economic analysis. s.l: John Wiley & Sons.
White John A, Agee Marvin H and Case Kenneth E.s.l: John Wiley & Sons. .