APA (7 वां संस्करण) प्रशस्ति पत्र

BLOCH, H. D. (1969). The Circle of descrimination: An economic and social study of the Black man in New York. Univ. Pr.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

BLOCH, Herman D. The Circle of Descrimination: An Economic and Social Study of the Black Man in New York. New York, N.Y: Univ. Pr, 1969.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

BLOCH, Herman D. The Circle of Descrimination: An Economic and Social Study of the Black Man in New York. Univ. Pr, 1969.