Cita APA (7a ed.)

Sajnani, K. (2007). Enhance your english proficiency (2nd.).

Cita Chicago Style (17a ed.)

Sajnani, Kamlesh. Enhance Your English Proficiency. 2nd. Mumbai, 2007.

Cita MLA (9a ed.)

Sajnani, Kamlesh. Enhance Your English Proficiency. 2nd. 2007.