APA

Harihara Krishnan A., .Polytechnic ganitham (m). : State Institute of Languages, TVPM.

Chicago

Harihara Krishnan A, .Polytechnic ganitham (m). : State Institute of Languages, TVPM.

Harvard

Harihara Krishnan A., .Polytechnic ganitham (m). : State Institute of Languages, TVPM.

MLA

Harihara Krishnan A, .: State Institute of Languages, TVPM. .