(1999). 3M enhances US commitment to volunteerism. Philippine Star.
Cita Chicago (17th ed.)"3M Enhances US Commitment to Volunteerism." Philippine Star 1999.
Cita MLA (9th ed.)"3M Enhances US Commitment to Volunteerism." Philippine Star, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.