Churchward, J. h. (1964). Typewriting Displays , Tabulations and Manuscripts Intermediate. Sir Issac Pitman and Sons.
استشهاد بنمط شيكاغوChurchward, John h. Typewriting Displays , Tabulations and Manuscripts Intermediate. London: Sir Issac Pitman and Sons, 1964.
MLA استشهادChurchward, John h. Typewriting Displays , Tabulations and Manuscripts Intermediate. Sir Issac Pitman and Sons, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.