APA (7. basım) Alıntı

Symington, M., Ball, C., & Machiavelli, F. (2014). Portugal (Revised edition.). Dorling Kindersley Limited.

Chicago Style (17. basım) Atıf

Symington, Martin, Caroline Ball, ve Francesca Machiavelli. Portugal. Revised edition. London: Dorling Kindersley Limited, 2014.

MLA (9th ed.) Atıf

Symington, Martin, et al. Portugal. Revised edition. Dorling Kindersley Limited, 2014.