Gregory, R. H. (1963). Business data processing & programming. Belmont, Calif: Wadsworth Pub. Co.
Trích dẫn kiểu ChicagoGregory, Robert H. Business Data Processing & Programming. Belmont, Calif: Wadsworth Pub. Co, 1963.
MLA引文Gregory, Robert H. Business Data Processing & Programming. Belmont, Calif: Wadsworth Pub. Co, 1963.
警告:这些引文格式不一定是100%准确.