Cita APA (7a ed.)

Arunachalam, B. (1972). The world we live in: (for standard VIII) (1. ed.). Deepak Prakashan.

Cita Chicago Style (17a ed.)

Arunachalam, B. The World We Live in: (for Standard VIII). 1. ed. Bombay: Deepak Prakashan, 1972.

Cita MLA (9a ed.)

Arunachalam, B. The World We Live in: (for Standard VIII). 1. ed. Deepak Prakashan, 1972.