Gaya APA
Stearns, S, C., Koella, J, C. (2008).
Evoluation in Health and Disease (2 nd).
Darusalam:
Oxford University Press.
Gaya MLA
Stearns, Stephen, C., Koella, Jacob, C.
"Evoluation in Health and Disease".
2 nd
Darusalam:
Oxford University Press,
2008.
print.