Crowley, D. J. 1., & Heyer, P. (1995). Communication in history: Technology, culture, society (2nd ed.). White Plains NY: Longman Publishers.
Чикагска система за цитиранеCrowley, D. J. 1945-, и Paul Heyer. Communication in History: Technology, Culture, Society. 2nd ed. White Plains NY: Longman Publishers, 1995.
MLA формат за цитиранеCrowley, D. J. 1945-, и Paul Heyer. Communication in History: Technology, Culture, Society. 2nd ed. White Plains NY: Longman Publishers, 1995.
Внимание: Тези цитати може да не са 100% точни.