APA
(1988). Research on aging , Jan-Dec 1988. New Delhi: Sage Publication.
Chicago
1988. Research on aging , Jan-Dec 1988. New Delhi: Sage Publication.
Harvard
(1988). Research on aging , Jan-Dec 1988. New Delhi: Sage Publication.
MLA
Research on aging , Jan-Dec 1988. New Delhi: Sage Publication. 1988.