APA aipamena

Balan K R & Rayudu C S. (1991). Marketing and sales management.

Chicago Style aipamena

Balan K R and Rayudu C S. Marketing and Sales Management. :, 1991.

MLA aipamena

Balan K R and Rayudu C S. Marketing and Sales Management. 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.