Cita APA (7th ed.)

Das, G. (2022). The Art of Focus. Penguin Ananda.

Cita Chicago (17th ed.)

Das, Gauranga. The Art of Focus. Gurugram: Penguin Ananda, 2022.

Cita MLA (9th ed.)

Das, Gauranga. The Art of Focus. Penguin Ananda, 2022.