Gaya APA

Roivainen, E. (). Changes in Word Usage Frequency May Hamper Intergenerational Comparisons of Vocabulary Skills: An Ngram Analysis of Wordsum, WAIS,and WISC Test Items . : Publications Reprints and permissions.

Gaya MLA

Roivainen, Eka. "Changes in Word Usage Frequency May Hamper Intergenerational Comparisons of Vocabulary Skills: An Ngram Analysis of Wordsum, WAIS,and WISC Test Items". : Publications Reprints and permissions, . e-journal.