APA Style

Gupta, Sunil. (1988). Impact of sales promotion on when, what, and how much to buy . Cambridge: Marketing Science Institute.

Chicago Style

Gupta, Sunil. Impact of sales promotion on when, what, and how much to buy. Cambridge: Marketing Science Institute, 1988. Printed Material.

MLA Style

Gupta, Sunil. Impact of sales promotion on when, what, and how much to buy. Cambridge: Marketing Science Institute, 1988. Printed Material.

Turabian Style

Gupta, Sunil. Impact of sales promotion on when, what, and how much to buy. Cambridge: Marketing Science Institute, 1988. Printed Material.