توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Doff, A., Jones, C. J., & Mitchell, K. Meanings into words. Upper-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. Upper-Intermediate. An Integrated Course for Students of English. Test Book.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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