HOLT, R. T. (1970). The methodology of comparative research. Free Press.
Chicago-čujuhus (17. p.)HOLT, Robert T. The Methodology of Comparative Research. New York: Free Press, 1970.
MLA-čujuhus (9. p.)HOLT, Robert T. The Methodology of Comparative Research. Free Press, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.