Cita APA (7a ed.)

De la Piedra, E. (1986). The urban informal sector: The inconsistency of the conventional paradigm and a new approach. Universidad del Pacífico.

Cita Chicago Style (17a ed.)

De la Piedra, Enrique. The Urban Informal Sector: The Inconsistency of the Conventional Paradigm and a New Approach. Universidad del Pacífico, 1986.

Cita MLA (9a ed.)

De la Piedra, Enrique. The Urban Informal Sector: The Inconsistency of the Conventional Paradigm and a New Approach. Universidad del Pacífico, 1986.