Ancog, A. C. (1977). The career executive service development program. Philippine Journal of Public Administration.
Chicago Style aipamenaAncog, Amelia C. "The Career Executive Service Development Program." Philippine Journal of Public Administration 1977.
MLA aipamenaAncog, Amelia C. "The Career Executive Service Development Program." Philippine Journal of Public Administration, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.