APA-viite

Kakarla, U., Gupta, T., & Pundir, L. (2019). Functional English for Communication. Sage.

Chicago-tyylinen lähdeviittaus

Kakarla, Ujjwala, Tanu Gupta, ja Leena Pundir. Functional English for Communication. New Delhi: Sage, 2019.

MLA-viite

Kakarla, Ujjwala, et al. Functional English for Communication. Sage, 2019.