Cita APA (7a ed.)
Walker, W., & Walker, W. (1968). The principal at work: Case studies in school administration.
Cita estilo Chicago (17a ed.)
Walker, W.G, y W.G Walker. The Principal at Work: Case Studies in School Administration. 1968.
Cita MLA (9a ed.)
Walker, W.G, y W.G Walker. The Principal at Work: Case Studies in School Administration. 1968.
Precaución: Estas citas no son 100% exactas.