Washington State University. Washington State Institute of Technology & Washington State University. College of Engineering. Research Division. Bulletin - Washington State Institute of Technology. Washington State University, Division of Industrial Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington State University. Washington State Institute of Technology و Washington State University. College of Engineering. Research Division. Bulletin - Washington State Institute of Technology. Pullman: Washington State University, Division of Industrial Research.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington State University. Washington State Institute of Technology و Washington State University. College of Engineering. Research Division. Bulletin - Washington State Institute of Technology. Washington State University, Division of Industrial Research.