APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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