Dyfyniad APA

Guilford, J. P. (1959). Psychometric methods. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

Guilford, J. P. Psychometric Methods. New York: McGraw-Hill Book Company, 1959.

Dyfyniad MLA

Guilford, J. P. Psychometric Methods. McGraw-Hill Book Company, 1959.

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