Engels (1)

Up To €10 (0) € 10 Tot € 20 (1) € 20 Tot € 50 (0) € 50 En Meer (0)

Mandino, Og (1) Schmidt, Eric R. (millsaps College), Carmines, Edward G. (indiana University), Sniderman, Paul M. (stanford University) (2) German, Igal (1) Graham Moore (1) Tonstad, Sigve K (1)

1983 (1)

Overig (1)