Rosales, R. R. (1990). ONAPUP and UPSA: Upholding the rights of UP employees. U.P. Newsletter.
Cita Chicago (17th ed.)Rosales, Roy R. "ONAPUP and UPSA: Upholding the Rights of UP Employees." U.P. Newsletter 1990.
Cita MLA (9th ed.)Rosales, Roy R. "ONAPUP and UPSA: Upholding the Rights of UP Employees." U.P. Newsletter, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.