Yap, Y. S. (2007). Development and testing of a low-cost, dual-axis clinometer based on micro-electro-mechanical system sensors.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yap, Yung Szen. Development and Testing of a Low-cost, Dual-axis Clinometer Based on Micro-electro-mechanical System Sensors. 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yap, Yung Szen. Development and Testing of a Low-cost, Dual-axis Clinometer Based on Micro-electro-mechanical System Sensors. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.