Gaya APA
Stromsdorfer, E, W., Farkas, G. (1980).
Evaluation studies review annual Vol 5 / Ernst W. Stromsdorfer .
London:
Sage Publications.
Gaya MLA
Stromsdorfer, Ernst, W.., Farkas, Geogre.
"Evaluation studies review annual Vol 5 / Ernst W. Stromsdorfer".
London:
Sage Publications,
1980.
Text.