APA

Spiro R. L., Stanton W. J. & Rich G. A. (2004). Management of a sales force. New Delhi: McGraw-Hill.

Chicago

Spiro Rosann L, Stanton William J and Rich Gregory A. 2004. Management of a sales force. New Delhi: McGraw-Hill.

Harvard

Spiro R. L., Stanton W. J. and Rich G. A. (2004). Management of a sales force. New Delhi: McGraw-Hill.

MLA

Spiro Rosann L, Stanton William J and Rich Gregory A. Management of a sales force. New Delhi: McGraw-Hill. 2004.