Hopkins, Claude C., 1866-1932.
Scientific advertising / Claude C. Hopkins. - [United States] : Snowball Pub., 2009. - vi, 64 p. ; 23 cm.
9781607962366 (pbk.)
Advertising.
659.1 / HOP 2009
Scientific advertising / Claude C. Hopkins. - [United States] : Snowball Pub., 2009. - vi, 64 p. ; 23 cm.
9781607962366 (pbk.)
Advertising.
659.1 / HOP 2009