Gaya APA
Cox, N, J., Newton, H, J. (2014).
One hundred nineteen stata tips. Third Edition (Ed.ke-3).
Texas, USA:
Stata Press.
Gaya MLA
Cox, Nicholas, J.., Newton, H., Joseph.
"One hundred nineteen stata tips. Third Edition".
Ed.ke-3
Texas, USA:
Stata Press,
2014.
Textbook.