Letier, E. Reasoning about partial goal satisfaction for requirements and design engineering. Software engineering notes..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Letier, Emmanuel. "Reasoning About Partial Goal Satisfaction for Requirements and Design Engineering." Software Engineering Notes. .
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Letier, Emmanuel. "Reasoning About Partial Goal Satisfaction for Requirements and Design Engineering." Software Engineering Notes., .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.