University of California, Center for teh Study of Evaluation. (1975). Studies in educational evaluation. Pergamon Press.
Citação do estilo Chicago (17ª ed.)University of California, Center for teh Study of Evaluation. Studies in Educational Evaluation. Elmsford, NY: Pergamon Press, 1975.
Citação MLA (8ª ed.)University of California, Center for teh Study of Evaluation. Studies in Educational Evaluation. Pergamon Press, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.