Gaya APA
Hebel, J, R. et al (2008).
A Study Guide to Epidemiology and Biostatistic (Ed. 1 cet. 1).
Jakarta_:
EGC _2.
Gaya MLA
Hebel, J., Richard. et al.
"A Study Guide to Epidemiology and Biostatistic".
Ed. 1 cet. 1
Jakarta_:
EGC _2,
2008.
Buku Teks.