Gaya APA
Doi, S, A, R., Williams, G, M. (2013).
Methods of Clinical Epidemiology .
Springer Berlin Heidelberg:
Springer.
Gaya MLA
Doi, Suhail, A., R.., Williams, Gail, M..
"Methods of Clinical Epidemiology".
Springer Berlin Heidelberg:
Springer,
2013.
E-Book.