APA (7 वां संस्करण) प्रशस्ति पत्र

Shepherd, V. (2002). Working slavery, pricing freedom: Perspectives from the Caribbean, Africa and the African diaspora. Palgrave.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Shepherd, Verene. Working Slavery, Pricing Freedom: Perspectives from the Caribbean, Africa and the African Diaspora. New York: Palgrave, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Shepherd, Verene. Working Slavery, Pricing Freedom: Perspectives from the Caribbean, Africa and the African Diaspora. Palgrave, 2002.