Goh, L. Z. (2002). The concerns and levels of use of the sixth form geography teachers in implementing the new sixth form geography curriculum.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Goh, Lee Zea. The Concerns and Levels of Use of the Sixth Form Geography Teachers in Implementing the New Sixth Form Geography Curriculum. 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Goh, Lee Zea. The Concerns and Levels of Use of the Sixth Form Geography Teachers in Implementing the New Sixth Form Geography Curriculum. 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.