Skop, O. (1981). Invalids` cooperatives in Czechoslovakia.
Chicago Edition CitationSkop, Otakar. Invalids` Cooperatives in Czechoslovakia. Prague, SVEPOMOC, 1981.
MLA引文Skop, Otakar. Invalids` Cooperatives in Czechoslovakia. 1981.
警告:這些引文格式不一定是100%准確.