Dyfyniad APA

Ferguson, D. G. (1963). Pupil personnel services. Center for Applied Research in Education.

Dyfyniad Arddull Chicago

Ferguson, Donald G. Pupil Personnel Services. Washington: Center for Applied Research in Education, 1963.

Dyfyniad MLA

Ferguson, Donald G. Pupil Personnel Services. Center for Applied Research in Education, 1963.

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