توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ibrahim, A. A. (2015). The past perfect tense in Nigerian and British: A comparative corpus-based study. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ibrahim, Abidat Ademorin. The Past Perfect Tense in Nigerian and British: A Comparative Corpus-based Study. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2015.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Ibrahim, Abidat Ademorin. The Past Perfect Tense in Nigerian and British: A Comparative Corpus-based Study. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2015.