Gaya APA
Stromdorfer, E, W., Farkas, G. (1980).
Evaluation Studies Review Annual : Volume 5 .
Beverly Hills, California:
Sage Publications.
Gaya MLA
Stromdorfer, Ernst, W., Farkas, George.
"Evaluation Studies Review Annual : Volume 5".
Beverly Hills, California:
Sage Publications,
1980.
Text.