Kjer-Hansen, M. (1965). Cost problems in modern marketing. Einar Harcks Forlag.
Chicago Edition CitationKjer-Hansen, Max. Cost Problems in Modern Marketing. Kobenhavn: Einar Harcks Forlag, 1965.
Cita MLAKjer-Hansen, Max. Cost Problems in Modern Marketing. Einar Harcks Forlag, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.