Nicholson, R. (1989). School management: The role of the secondary headteacher. Kogan.
Citazione stile Chigago Style (17a edizione)Nicholson, Richard. School Management: The Role of the Secondary Headteacher. London: Kogan, 1989.
Citatione MLA (9a ed.)Nicholson, Richard. School Management: The Role of the Secondary Headteacher. Kogan, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.