Al-Ghamdi, A. M., & Smith, V. H. (1984). A proposed in-service education model for middle and secondary school teachers in Saudi Arabia. Indiana University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Ghamdi, Abdullah Moghram, و Vernon H. Smith. A Proposed In-service Education Model for Middle and Secondary School Teachers in Saudi Arabia. Indiana: Indiana University, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Ghamdi, Abdullah Moghram, و Vernon H. Smith. A Proposed In-service Education Model for Middle and Secondary School Teachers in Saudi Arabia. Indiana University, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.