APA-viite

A.P.Verma. (1998). Operations research. S.K.Kataria and Sons.

Chicago-tyylinen lähdeviittaus

A.P.Verma. Operations Research. Delhi: S.K.Kataria and Sons, 1998.

MLA-viite

A.P.Verma. Operations Research. S.K.Kataria and Sons, 1998.