APA (7 ম সংস্করণ) উদ্ধৃতি

(1974). Man and his personal freedom ; Responsibility and creativity in art anf literature ; Problems of determinism ; The future of philosophy. Sofia Pr..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Man and His Personal Freedom ; Responsibility and Creativity in Art Anf Literature ; Problems of Determinism ; The Future of Philosophy. Sofia: Sofia Pr., 1974.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Man and His Personal Freedom ; Responsibility and Creativity in Art Anf Literature ; Problems of Determinism ; The Future of Philosophy. Sofia Pr., 1974.