Advertising Standards Authority of Singapore & Singapore Advertisers Association. (1976). Singapore code of advertising practice. The Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Advertising Standards Authority of Singapore و Singapore Advertisers Association. Singapore Code of Advertising Practice. [Singapore]: The Association, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Advertising Standards Authority of Singapore و Singapore Advertisers Association. Singapore Code of Advertising Practice. The Association, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.