APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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