Collins, D. (2010). Portfolios of the Poor. Permanent Black.
Chicago Style aipamenaCollins, Daryl. Portfolios of the Poor. Ranikhet: Permanent Black, 2010.
MLA aipamenaCollins, Daryl. Portfolios of the Poor. Permanent Black, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.