Croft, K. (1960). Reading and word study: For students of English as a second language. High intermediate level. Prentice-Hall.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Croft, Kenneth. Reading and Word Study: For Students of English as a Second Language. High Intermediate Level. Englewood Cliffs., N.J.: Prentice-Hall, 1960.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Croft, Kenneth. Reading and Word Study: For Students of English as a Second Language. High Intermediate Level. Prentice-Hall, 1960.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.