GREGG, J. R. (1941). Applied Secretarial Practice. Gregg Publishing Company.
Chicago Style (17th ed.) CitationGREGG, John Robert. Applied Secretarial Practice. Gregg Publishing Company, 1941.
MLA引文GREGG, John Robert. Applied Secretarial Practice. Gregg Publishing Company, 1941.
警告:這些引文格式不一定是100%准確.