APA

Silberman M., Hansburg F., . (2004). Working People Smart. New Delhi: Tata McGraw-Hill Publishing.

Chicago

Silberman Mel, Hansburg Freda, . 2004. Working People Smart. New Delhi: Tata McGraw-Hill Publishing.

Harvard

Silberman M., Hansburg F., . (2004). Working People Smart. New Delhi: Tata McGraw-Hill Publishing.

MLA

Silberman Mel, Hansburg Freda, . Working People Smart. New Delhi: Tata McGraw-Hill Publishing. 2004.