Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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