(1991). Abueva issues memo on economy measures in 1991. U.P. Newsletter.
Chicago Style (17th ed.) Citation"Abueva Issues Memo on Economy Measures in 1991." U.P. Newsletter 1991.
MLA引文"Abueva Issues Memo on Economy Measures in 1991." U.P. Newsletter, 1991.
警告：這些引文格式不一定是100％准確.