Vogt, W. P. (2012). When to use what research design. New York: Guilford Press.
Chicago-stil citatVogt, W. Paul. When to Use What Research Design. New York: Guilford Press, 2012.
MLA-referensVogt, W. Paul. When to Use What Research Design. New York: Guilford Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.