Gaya APA
Kirkwood, B, R., Sterne, J, A. (2003).
Ebook Essentials Medical Statistics (Second Edition) .
Australia:
Blackwell Publishing.
Gaya MLA
Kirkwood, Betty, R.., Sterne, Jonathan, A.C..
"Ebook Essentials Medical Statistics (Second Edition)".
Australia:
Blackwell Publishing,
2003.
Text.