Gaya APA
Hamilton, L, C. (2012).
Statistic with STATA : Update for Version 12 (1st ed.).
Boston:
Brooks/ Cole Congage Learning.
Gaya MLA
Hamilton, Lawrence, C..
"Statistic with STATA : Update for Version 12".
1st ed.
Boston:
Brooks/ Cole Congage Learning,
2012.
Texts.