Cita APA (7th ed.)

Papola, T. S. (1981). Urban informal sector in a developing economy. Vikas Publishing House.

Cita Chicago (17th ed.)

Papola, T. S. Urban Informal Sector in a Developing Economy. New Delhi: Vikas Publishing House, 1981.

Cita MLA (9th ed.)

Papola, T. S. Urban Informal Sector in a Developing Economy. Vikas Publishing House, 1981.