Gaya APA
ALKIN, M, C., SOLMON, L, C.
(1983).
THE COSTS OF EVALUATION
.
California:
SAGE PUBLICATIONS.
Gaya MLA
ALKIN, Marvin, C.., SOLMON, LEWIS, C..
"THE COSTS OF EVALUATION".
California:
SAGE PUBLICATIONS,
1983.
Textbook.