Gaya APA

al., E. et al (2002,1986,1995,1989,2007,2011). Biologi Sel (1986,Ed. 1989,Ed.6). Jakarta: Buku Kedokteran EGC.

Gaya MLA

al., Et. et al. "Biologi Sel". 1986,Ed. 1989,Ed.6 Jakarta: Buku Kedokteran EGC, 2002,1986,1995,1989,2007,2011. Text.