APA استشهاد

Gray, A., & Wallace, G. A. (1962). Principles and practice of electrical engineering (8.). Mc Graw- Hill Book Company Inc.

استشهاد بنمط شيكاغو

Gray, Alexander, و G A. Wallace. Principles and Practice of Electrical Engineering. 8. Newyork: Mc Graw- Hill Book Company Inc, 1962.

MLA استشهاد

Gray, Alexander, و G A. Wallace. Principles and Practice of Electrical Engineering. 8. Mc Graw- Hill Book Company Inc, 1962.