APA (7 ম সংস্করণ) উদ্ধৃতি

Schell, J. n. (2003). The unconquerable world: Power, nonviolence, and the will of the people (First edition.). Metropolitan Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Schell, Jonatha n. The Unconquerable World: Power, Nonviolence, and the Will of the People. First edition. New York: Metropolitan Books, 2003.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Schell, Jonatha n. The Unconquerable World: Power, Nonviolence, and the Will of the People. First edition. Metropolitan Books, 2003.