Alba, M. M. (2000). Who changed their minds about Erap?: Hypothesis tests based on design-consistent estimates of an ordered probit model of the Philippine president's ratings. The DLSU-Angelo King Institute for Economic and Business Studies.
Chicago-referens (17:e uppl.)Alba, Michael M. Who Changed Their Minds About Erap?: Hypothesis Tests Based on Design-consistent Estimates of an Ordered Probit Model of the Philippine President's Ratings. Manila: The DLSU-Angelo King Institute for Economic and Business Studies, 2000.
MLA-referens (9:e uppl.)Alba, Michael M. Who Changed Their Minds About Erap?: Hypothesis Tests Based on Design-consistent Estimates of an Ordered Probit Model of the Philippine President's Ratings. The DLSU-Angelo King Institute for Economic and Business Studies, 2000.