Gaya APA
Glass, E, G, V.
(1976).
Evaluation studies: review annual volume 1 1976
(
cet. 2)
.
London:
Sage Publications.
Gaya MLA
Glass, Ed., Gene, V..
"Evaluation studies: review annual volume 1 1976".
cet. 2
London:
Sage Publications,
1976.
Text.