Llanto, G. M., & Alonzo, R. P. (1998). Handbook on the informal sector. Bishops-Businessmen's Conference for Human Development.
Cita Chicago (17th ed.)Llanto, Gilberto M., i Ruperto P. Alonzo. Handbook on the Informal Sector. Manila: Bishops-Businessmen's Conference for Human Development, 1998.
Cita MLA (9th ed.)Llanto, Gilberto M., i Ruperto P. Alonzo. Handbook on the Informal Sector. Bishops-Businessmen's Conference for Human Development, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.