Traveling Engineers' Association. (2006). The Traveling Engineers' Association to Improve the Locomotive Engine Service of American Railroads Examination Questions and Answers for Firemen for Promotion and New Men for Employment. Project Gutenberg.
Chicago Style (17th ed.) CitationTraveling Engineers' Association. The Traveling Engineers' Association to Improve the Locomotive Engine Service of American Railroads Examination Questions and Answers for Firemen for Promotion and New Men for Employment. Project Gutenberg, 2006.
MLA (9th ed.) CitationTraveling Engineers' Association. The Traveling Engineers' Association to Improve the Locomotive Engine Service of American Railroads Examination Questions and Answers for Firemen for Promotion and New Men for Employment. Project Gutenberg, 2006.