33533, I. Diálogo. [S.l.] , [S.l.] : International Projects Assistance Services (IPAS).
芝加哥风格引文33533, Ipas. Diálogo. [S.l.] , [S.l.] : International Projects Assistance Services (IPAS).
MLA引文33533, Ipas. Diálogo. [S.l.] , [S.l.] : International Projects Assistance Services (IPAS).
警告：这些引文格式不一定是100％准确.