Frenzel, L. E. (2008). Principles of electronic communication systems. Boston, [Mass.]: McGraw-Hill Higher Education.
Chicago-стиль цитированияFrenzel, Louis E. Principles of Electronic Communication Systems. Boston, [Mass.]: McGraw-Hill Higher Education, 2008.
MLA-цитированиеFrenzel, Louis E. Principles of Electronic Communication Systems. Boston, [Mass.]: McGraw-Hill Higher Education, 2008.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.