एपीए उद्धरण

Harikumaran Nayar, K. (1986). Management of the postal services in India: Astudy with reference to Kerala circle.

शिकागो स्टाइल उद्धरण

Harikumaran Nayar, K.B. Management of the Postal Services in India: Astudy with Reference to Kerala Circle. 1986.

एमएलए उद्धरण

Harikumaran Nayar, K.B. Management of the Postal Services in India: Astudy with Reference to Kerala Circle. 1986.