APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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