توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Digby, C., Myers, J., & Pitkeathly, I. (1990). Spotlight on First Certificate: An integrated course for the First Certificate Examination. Students' Book (1a. ed.). Cassell.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Digby, Christine, John Myers, و Iain Pitkeathly. Spotlight on First Certificate: An Integrated Course for the First Certificate Examination. Students' Book. 1a. ed. Londres: Cassell, 1990.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Digby, Christine, et al. Spotlight on First Certificate: An Integrated Course for the First Certificate Examination. Students' Book. 1a. ed. Cassell, 1990.