Gaya APA

al., E. et al (1994,1992,1986,1996,1980,1988). Pengantar Ekonomi Perusahaan (Ed. Rev,Ed. 9). Yogyakarta: Liberty.

Gaya MLA

al., Et. et al. "Pengantar Ekonomi Perusahaan". Ed. Rev,Ed. 9 Yogyakarta: Liberty, 1994,1992,1986,1996,1980,1988. Text.