APA-referens (7:e uppl.)

Singh, A. (2020). Banking and negotiable instruments (4th ed.). Eastern Book Company.

Chicago-referens (17:e uppl.)

Singh, Avtar. Banking and Negotiable Instruments. 4th ed. Lucknow: Eastern Book Company, 2020.

MLA-referens (9:e uppl.)

Singh, Avtar. Banking and Negotiable Instruments. 4th ed. Eastern Book Company, 2020.