Innføringsbok i atferdsanalyse. God. Engelsk.
Gratis PDF versjon av en tidligere utgave (third edition) finner du her: http://www.icarus-counseling.com/information/books/Behavior%20Analysis%20and%20Learning%203rd%20Ed%20-%20%2890%29/Behavior%20Analysis%20and%20Learning%203rd%20Ed%20-%20-%20Unknown.pdf