//-->
Does nonprofit status signal quality?
Malani, Anup, (2008)
How we make donors feel : the relationship between premium benefit level and donor identity esteem
Sargeant, Adrian, (2012)
Understanding sample usage and sampling as a promotion tool : state of industry practice and current research
Dong, Xiaojing, (2014)
Marketing management and information : a new case approach
Newman, Joseph W., (1967)
Marketing science: Significance to the professor of marketing
Newman, Joseph W., (1965)
Consumer external search : amount and determinants
Newman, Joseph W., (1977)