Symons, M. C. (1977). Opinions of students, guidance teachers and administrators of the guidance programme in secondary schools in Kuala Lumpur.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Symons, Mary Catherine. Opinions of Students, Guidance Teachers and Administrators of the Guidance Programme in Secondary Schools in Kuala Lumpur. Kuala Lumpur, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Symons, Mary Catherine. Opinions of Students, Guidance Teachers and Administrators of the Guidance Programme in Secondary Schools in Kuala Lumpur. 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.