Technology and Livelihood Resource Center. (2005). Business guide. TLRC.
Cita Chicago (17th ed.)Technology and Livelihood Resource Center. Business Guide. Metro Manila: TLRC, 2005.
Cita MLA (9th ed.)Technology and Livelihood Resource Center. Business Guide. TLRC, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.