Collins, D. (2010). Portfolios of the Poor. Permanent Black.
Cita Chicago (17th ed.)Collins, Daryl. Portfolios of the Poor. Ranikhet: Permanent Black, 2010.
Cita MLA (9th ed.)Collins, Daryl. Portfolios of the Poor. Permanent Black, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.