Cita APA (7th ed.)

Widdows, H. (2011). Global ethics: An introduction. Acumen.

Cita Chicago (17th ed.)

Widdows, Heather. Global Ethics: An Introduction. Durham: Acumen, 2011.

Cita MLA (9th ed.)

Widdows, Heather. Global Ethics: An Introduction. Acumen, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.