(1991). Abueva issues memo on economy measures in 1991. U.P. Newsletter.
Chicago Style aipamena"Abueva Issues Memo on Economy Measures in 1991." U.P. Newsletter 1991.
MLA aipamena"Abueva Issues Memo on Economy Measures in 1991." U.P. Newsletter, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.