APA

Purushothaman P. O., . (1999). Tharathamya sahithyam: Thathvavum prasakthiyum (m). : State Institute of Languages, TVPM.

Chicago

Purushothaman P O, . 1999. Tharathamya sahithyam: Thathvavum prasakthiyum (m). : State Institute of Languages, TVPM.

Harvard

Purushothaman P. O., . (1999). Tharathamya sahithyam: Thathvavum prasakthiyum (m). : State Institute of Languages, TVPM.

MLA

Purushothaman P O, . Tharathamya sahithyam: Thathvavum prasakthiyum (m). : State Institute of Languages, TVPM. 1999.