Nichols, F. G. (1930). Tests: Series B. For use with Junior business training for economic living. American Book Co..
Chicago-viite (17. p.)Nichols, Frederick George. Tests: Series B. For Use with Junior Business Training for Economic Living. New York : Cincinnati [etc.]: American Book Co., 1930.
MLA-viite (8. p.)Nichols, Frederick George. Tests: Series B. For Use with Junior Business Training for Economic Living. American Book Co., 1930.
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