Symington, M., Ball, C., & Machiavelli, F. (2014). Portugal (Revised edition.). Dorling Kindersley Limited.
Chicagoスタイル(17版)引用形式Symington, Martin, Caroline Ball, , Francesca Machiavelli. Portugal. Revised edition. London: Dorling Kindersley Limited, 2014.
MLA(9版)引用形式Symington, Martin, et al. Portugal. Revised edition. Dorling Kindersley Limited, 2014.
警告: この引用は必ずしも正確ではありません.