Citazione APA

Schonell, F. J. (1960). Diagnostic and attainment testing. ELBS.

Stile di citazione Chicago

Schonell, Fred J. Diagnostic and Attainment Testing. London: ELBS, 1960.

Citazione MLA

Schonell, Fred J. Diagnostic and Attainment Testing. ELBS, 1960.