Frenzel, L. E. (2008). Principles of electronic communication systems. Boston, [Mass.]: McGraw-Hill Higher Education.
استشهاد بنمط شيكاغوFrenzel, Louis E. Principles of Electronic Communication Systems. Boston, [Mass.]: McGraw-Hill Higher Education, 2008.
MLA استشهادFrenzel, Louis E. Principles of Electronic Communication Systems. Boston, [Mass.]: McGraw-Hill Higher Education, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.