Lua APA (7ú heag.)

Nunnally, J. C. (1978). Psychometric theory (Second edition.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Nunnally, Jum C. Psychometric Theory. Second edition. New York: McGraw-Hill, 1978.

Lua MLA (8ú heag.)

Nunnally, Jum C. Psychometric Theory. Second edition. McGraw-Hill, 1978.

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