Gaya APA

al., E. et al (1992). Pengantar Biostatistika (Ed. 2). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

al., Et. et al. "Pengantar Biostatistika". Ed. 2 Yogyakarta: Gadjah Mada University Press, 1992. Text.