Cita APA (7th ed.)

VASAN PUBLICATION. (2001). THE WORLD AT YOUR FINGER. VASAN BOOKS.

Cita Chicago (17th ed.)

VASAN PUBLICATION. THE WORLD AT YOUR FINGER. BANGLORE: VASAN BOOKS, 2001.

Cita MLA (9th ed.)

VASAN PUBLICATION. THE WORLD AT YOUR FINGER. VASAN BOOKS, 2001.