McSwain, E. T., Brown, K. E., Cooke, R. J., & Gundlach, B. H. (1963). Arithmetic. River Forest: Laidlaw Brothers.
Trích dẫn kiểu ChicagoMcSwain, E. T., Kenneth E. Brown, Ralph J. Cooke, và Bernard H. Gundlach. Arithmetic. River Forest: Laidlaw Brothers, 1963.
ציטוט MLAMcSwain, E. T., Kenneth E. Brown, Ralph J. Cooke, và Bernard H. Gundlach. Arithmetic. River Forest: Laidlaw Brothers, 1963.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.