Cita APA (7a ed.)
Freeman, F. S. (1960). Theory and practice of psychological testing.
Cita estilo Chicago (17a ed.)
Freeman, Frank S. Theory and Practice of Psychological Testing. 1960.
Cita MLA (9a ed.)
Freeman, Frank S. Theory and Practice of Psychological Testing. 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.