HSIAO CHENG. (2003). ANALYSIS OF PANEL DATA (2ND.). CAMBRIDGE UNIVERSITY PRESS.
Chicago Style aipamenaHSIAO CHENG. ANALYSIS OF PANEL DATA. 2ND. CAMBRIDGE: CAMBRIDGE UNIVERSITY PRESS, 2003.
MLA aipamenaHSIAO CHENG. ANALYSIS OF PANEL DATA. 2ND. CAMBRIDGE UNIVERSITY PRESS, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.