Cita APA (7th ed.)

Luard, E., & Heater, D. B. (1994). The United Nations: How it works and what it does (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Luard, Evan, i Derek Benjamin Heater. The United Nations: How It Works and What It Does. 2nd ed. Basingstoke, Hants., [Eng.]: Macmillan, 1994.

Cita MLA (9th ed.)

Luard, Evan, i Derek Benjamin Heater. The United Nations: How It Works and What It Does. 2nd ed. Macmillan, 1994.