Walker, W. G. (1965). The principal at work: Case studies in school administration. Queensland University Press.
Citazione stile Chigago Style (17a edizione)Walker, W. G. The Principal at Work: Case Studies in School Administration. St. Lucia, Qld.: Queensland University Press, 1965.
Citatione MLA (8a ed.)Walker, W. G. The Principal at Work: Case Studies in School Administration. Queensland University Press, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.