Gaya APA

al., E. et al (1995,1997,1996,2009,1999,2003). Ekonomi Internasional (Ed. 8,Ed. 1,Ed. 3,-). Jakarta: Erlangga.

Gaya MLA

al., Et. et al. "Ekonomi Internasional". Ed. 8,Ed. 1,Ed. 3,- Jakarta: Erlangga, 1995,1997,1996,2009,1999,2003. Text.