Παραπομπή APA
Lancaster, K. (1979). Variety, equity, and efficiency: Product variety in an industrial society. New York: Columbia University Press.
Παραπομπή Chicago StyleLancaster, Kelvin. Variety, Equity, and Efficiency: Product Variety in an Industrial Society. New York: Columbia University Press, 1979.
Παραπομπή MLALancaster, Kelvin. Variety, Equity, and Efficiency: Product Variety in an Industrial Society. New York: Columbia University Press, 1979.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.