Petrarca, F. Petrarch's Letters to Classical Authors.
Chicagoスタイル(17版)引用形式Petrarca, Francesco. Petrarch's Letters to Classical Authors.
MLA(9版)引用形式Petrarca, Francesco. Petrarch's Letters to Classical Authors.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式