Morrow, J., McLean, A. C., & Blaisdell, T. C. (1903). Steps in English: Book I-II. American Book Co..
Chicago Style (17. basım) AtıfMorrow, John, A. C. McLean, ve Thomas C. Blaisdell. Steps in English: Book I-II. New York ; Cincinnati [etc.]: American Book Co., 1903.
MLA (8th ed.) AtıfMorrow, John, et al. Steps in English: Book I-II. American Book Co., 1903.
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