Solberg, D. P. (1975). "Especially difficult" boys: A descriptive survey and discussion. Aycliffe School.
Cita Chicago Style (17a ed.)Solberg, David P. "Especially Difficult" Boys: A Descriptive Survey and Discussion. Newton Aycliffe, Darlington: Aycliffe School, 1975.
Cita MLA (8a ed.)Solberg, David P. "Especially Difficult" Boys: A Descriptive Survey and Discussion. Aycliffe School, 1975.
Precaución: Estas citas no son 100% exactas.