Toh, W. S. (1991). The implementation of the commerce and entrepreneurship component in the living skill programme: Teachers' concern and use of a curriculum innovation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Toh, Wah Seng. The Implementation of the Commerce and Entrepreneurship Component in the Living Skill Programme: Teachers' Concern and Use of a Curriculum Innovation. 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Toh, Wah Seng. The Implementation of the Commerce and Entrepreneurship Component in the Living Skill Programme: Teachers' Concern and Use of a Curriculum Innovation. 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.