Gaya APA

al., E. et al (1998,2002,1990,1987,1997,2010). Ilmu Alamiah Dasar (Ed. Rev,-). Jakarta: Bumi Aksara.

Gaya MLA

al., Et. et al. "Ilmu Alamiah Dasar". Ed. Rev,- Jakarta: Bumi Aksara, 1998,2002,1990,1987,1997,2010. Text.