Goh, B. K. (1986). A study on the relationship between achievement and attitude towards local history by secondary school pupils in Singapore.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Goh, Bian Koon. A Study on the Relationship Between Achievement and Attitude Towards Local History by Secondary School Pupils in Singapore. 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Goh, Bian Koon. A Study on the Relationship Between Achievement and Attitude Towards Local History by Secondary School Pupils in Singapore. 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.