MURPHY, F. BEN FRANKLIN AND THE MAGIC SQUARES STEP INTO READING A HISTORY READER: STEP 4. RANDOM HOUSE.
Citazione stile Chigago Style (17a edizione)MURPHY, FRANK. BEN FRANKLIN AND THE MAGIC SQUARES STEP INTO READING A HISTORY READER: STEP 4. NEW YORK: RANDOM HOUSE.
Citatione MLA (9a ed.)MURPHY, FRANK. BEN FRANKLIN AND THE MAGIC SQUARES STEP INTO READING A HISTORY READER: STEP 4. RANDOM HOUSE.
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