Soares, M. (1975). Portugal's struggle for liberty. Allen & Unwin.
Chicagoスタイル(17版)引用形式Soares, Mário. Portugal's Struggle for Liberty. London: Allen & Unwin, 1975.
MLA(8版)引用形式Soares, Mário. Portugal's Struggle for Liberty. Allen & Unwin, 1975.
警告: この引用は必ずしも正確ではありません.