American Telephone and Telegraph Company. Learning and Development Organization & Addison-Wesley Training Systems (Firm). (1987). The Trainer's library. Addison-Wesley.
Chicago Style (17th ed.) CitationAmerican Telephone and Telegraph Company. Learning and Development Organization and Addison-Wesley Training Systems (Firm). The Trainer's Library. Reading, Mass: Addison-Wesley, 1987.
MLA (9th ed.) CitationAmerican Telephone and Telegraph Company. Learning and Development Organization and Addison-Wesley Training Systems (Firm). The Trainer's Library. Addison-Wesley, 1987.
Warning: These citations may not always be 100% accurate.