एपीए उद्धरण

Sundharam, K., & Vaish, M. (1970). Principles of economics. Rajan prakashan mandir.

शिकागो स्टाइल उद्धरण

Sundharam, K.P.M, और M.C Vaish. Principles of Economics. Agra: Rajan prakashan mandir, 1970.

एमएलए उद्धरण

Sundharam, K.P.M, और M.C Vaish. Principles of Economics. Rajan prakashan mandir, 1970.