2008 Stiassny, Alfred. 2008. Uvod do Mikroekonomie. Bratislava: Poradca podnikatela, spol.s.r.o.. (Details)
2002 Gstach, Dieter. 2002. Estimating Output-Specific Efficiencies. Kluwer Academic Publishers, Dordrecht/Boston/London, ISBN 1-4020-483-4 (Details)