APA

Jamuna D., Jyothi K., Uma Devi T. & Sri Venkateswara university T. (2001). Investigation of psychological factors including quality of life of very senior citizens from rural and urban areas of Andhra Pradesh. : Indian Council of Social Science Research, New Delhi.

Chicago

Jamuna D, Jyothi K, Uma Devi T and Sri Venkateswara university Tirupati. 2001. Investigation of psychological factors including quality of life of very senior citizens from rural and urban areas of Andhra Pradesh. : Indian Council of Social Science Research, New Delhi.

Harvard

Jamuna D., Jyothi K., Uma Devi T. and Sri Venkateswara university T. (2001). Investigation of psychological factors including quality of life of very senior citizens from rural and urban areas of Andhra Pradesh. : Indian Council of Social Science Research, New Delhi.

MLA

Jamuna D, Jyothi K, Uma Devi T and Sri Venkateswara university Tirupati. Investigation of psychological factors including quality of life of very senior citizens from rural and urban areas of Andhra Pradesh. : Indian Council of Social Science Research, New Delhi. 2001.