Clayton, A. E. (1927). Power factor correction: Explaining the meaning and importance of power factor, and describing methods for the improvement of power factor, with numerous examples (Reprinted with slight additions 1927.). Pitman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clayton, Albert Edmund. Power Factor Correction: Explaining the Meaning and Importance of Power Factor, and Describing Methods for the Improvement of Power Factor, with Numerous Examples. Reprinted with slight additions 1927. London: Pitman, 1927.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Clayton, Albert Edmund. Power Factor Correction: Explaining the Meaning and Importance of Power Factor, and Describing Methods for the Improvement of Power Factor, with Numerous Examples. Reprinted with slight additions 1927. Pitman, 1927.