توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Doff, A., Jones, C. J., & Mitchell, K. Meanings into words. Intermediate. An integrated course for students of English. Test book.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Doff, Adrian, Christopher J. Jones, و Keith Mitchell. Meanings into Words. Intermediate. An Integrated Course for Students of English. Test Book.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Doff, Adrian, et al. Meanings into Words. Intermediate. An Integrated Course for Students of English. Test Book.