APA (7 ম সংস্করণ) উদ্ধৃতি

Higgins, R. (2009). Themes and theories: Selected essays, speeches, and writings in international law. Oxford University Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Higgins, Rosalyn. Themes and Theories: Selected Essays, Speeches, and Writings in International Law. Oxford ; New York: Oxford University Press, 2009.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Higgins, Rosalyn. Themes and Theories: Selected Essays, Speeches, and Writings in International Law. Oxford University Press, 2009.