Odell, W. R., Clark, H. F., Miller, G. D., Paulson, O. B., Travis, D. L., & Twiss, R. M. (1937). Directed activities to accompany How modern business serves us. Ginn and Company.
Lua i Stíl Chicago (17ú heag.)Odell, William Rockhold, Harold F. Clark, Guy D. Miller, Oscar B. Paulson, Dorothy L. Travis, agus Ruth M. Twiss. Directed Activities to Accompany How Modern Business Serves Us. Boston : New York [etc.]: Ginn and Company, 1937.
Lua MLA (8ú heag.)Odell, William Rockhold, et al. Directed Activities to Accompany How Modern Business Serves Us. Ginn and Company, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.