Gaya APA

Gilson, C., W., I, B, H. (1980). Advertising concept and strategies . New York: New York: Random House Business division; 1980.

Gaya MLA

Gilson, Christoper., W., I., Berkman,, Harold. "Advertising concept and strategies". New York: New York: Random House Business division; 1980, 1980. Text.