Citazione Stile APA (7a Edizione)

Allard, L. (1994). How to improve your sales performance. UBS Publishers'.

Citazione stile Chigago Style (17a edizione)

Allard, Lloyd. How to Improve Your Sales Performance. New Delhi: UBS Publishers', 1994.

Citatione MLA (8a ed.)

Allard, Lloyd. How to Improve Your Sales Performance. UBS Publishers', 1994.