Viray, T. J., & Guilas, L. T. (2009). The power of sharing. Metrocolor Corp.
Cita Chicago (17th ed.)Viray, Tomas J., i Lolita T. Guilas. The Power of Sharing. Quezon City: Metrocolor Corp, 2009.
Cita MLA (9th ed.)Viray, Tomas J., i Lolita T. Guilas. The Power of Sharing. Metrocolor Corp, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.