American Association of School Adiminstrators. (1951). Health in schools. [s.n.].
Citace podle Chicago (17th ed.)American Association of School Adiminstrators. Health in Schools. Washington: [s.n.], 1951.
Citace podle MLA (9th ed.)American Association of School Adiminstrators. Health in Schools. [s.n.], 1951.
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