APA-viite (7. p.)
Holton, E. L. (1927). A Study of the professional training of teachers of vocational agriculture.
Chicago-viite (17. p.)
Holton, Edwin Lee. A Study of the Professional Training of Teachers of Vocational Agriculture. New York, 1927.
MLA-viite (9. p.)
Holton, Edwin Lee. A Study of the Professional Training of Teachers of Vocational Agriculture. 1927.
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