Cita APA (7th ed.)

Rao P.S.S Sundar. (2006). INTRODUCTION TO BIOSTATISTICS AND RESEARCH METHODS (4th ed.). Prentice Hall India private Limited.

Cita Chicago (17th ed.)

Rao P.S.S Sundar. INTRODUCTION TO BIOSTATISTICS AND RESEARCH METHODS. 4th ed. New Delhi: Prentice Hall India private Limited, 2006.

Cita MLA (9th ed.)

Rao P.S.S Sundar. INTRODUCTION TO BIOSTATISTICS AND RESEARCH METHODS. 4th ed. Prentice Hall India private Limited, 2006.