एपीए उद्धरण

Chih, S. S. (1977). Sikkim. Light and Life Publishers.

शिकागो स्टाइल उद्धरण

Chih, Sukhdev Singh. Sikkim. New Delhi: Light and Life Publishers, 1977.

एमएलए उद्धरण

Chih, Sukhdev Singh. Sikkim. Light and Life Publishers, 1977.