Hohfeld, J. M. (1950). An experiment employing two method of teaching Spanish to college freshmen. [s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHohfeld, John Maurice. An Experiment Employing Two Method of Teaching Spanish to College Freshmen. Philadelphia: [s.n.], 1950.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHohfeld, John Maurice. An Experiment Employing Two Method of Teaching Spanish to College Freshmen. [s.n.], 1950.
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