APA
Tierney E., . (2003). 30 Minutes: To Boost Your Communication Skills. New Delhi: Kogan Page India.
Chicago
Tierney Elizabeth, . 2003. 30 Minutes: To Boost Your Communication Skills. New Delhi: Kogan Page India.
Harvard
Tierney E., . (2003). 30 Minutes: To Boost Your Communication Skills. New Delhi: Kogan Page India.
MLA
Tierney Elizabeth, . 30 Minutes: To Boost Your Communication Skills. New Delhi: Kogan Page India. 2003.