Birley, D. (1970). The education officer and his world. Routledge & K. Paul.
Citace podle Chicago (17th ed.)Birley, Derek. The Education Officer and His World. London: Routledge & K. Paul, 1970.
Citace podle MLA (8th ed.)Birley, Derek. The Education Officer and His World. Routledge & K. Paul, 1970.
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