Gaya APA

Perreault, W, D. (2003). Learmimg aid for use with essentials of marketing : a global - managerial approach (10). Boston, Massachusetts: McGraw Hill.

Gaya MLA

Perreault, William, D.. "Learmimg aid for use with essentials of marketing : a global - managerial approach". 10 Boston, Massachusetts: McGraw Hill, 2003. Text.