Παραπομπή APA

Sundharam, K., & M. C.Vaish. (1975). Principles of economics. Ratan prakashan mandir.

Παραπομπή Chicago Style

Sundharam, K.P.M, και M. C.Vaish. Principles of Economics. Agra: Ratan prakashan mandir, 1975.

Παραπομπή MLA

Sundharam, K.P.M, και M. C.Vaish. Principles of Economics. Ratan prakashan mandir, 1975.