توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

University of Michigan. English Language Institute, Lado, R., & Fries, C. C. (1958). English pronunciation: Exercises in sound segments, intonation, and rhythm ([2nd rev. ed.].). University of Michigan Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

University of Michigan. English Language Institute, Robert Lado, و Charles Carpenter Fries. English Pronunciation: Exercises in Sound Segments, Intonation, and Rhythm. [2nd rev. ed.]. Ann Arbor: University of Michigan Press, 1958.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

University of Michigan. English Language Institute, et al. English Pronunciation: Exercises in Sound Segments, Intonation, and Rhythm. [2nd rev. ed.]. University of Michigan Press, 1958.