Espinoza, S. F. (1992). The effects of using a word processor containing grammar and spell checkers on the composition writing of sixth graders. Texas Tech University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Espinoza, Susan Foley. The Effects of Using a Word Processor Containing Grammar and Spell Checkers on the Composition Writing of Sixth Graders. Texas: Texas Tech University, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Espinoza, Susan Foley. The Effects of Using a Word Processor Containing Grammar and Spell Checkers on the Composition Writing of Sixth Graders. Texas Tech University, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.