APA
Roy B. N., . (19661953). Deductive logic. Calcutta: S.C. Sarkar & Sons.
Chicago
Roy Bhola Nath, . 19661953. Deductive logic. Calcutta: S.C. Sarkar & Sons.
Harvard
Roy B. N., . (19661953). Deductive logic. Calcutta: S.C. Sarkar & Sons.
MLA
Roy Bhola Nath, . Deductive logic. Calcutta: S.C. Sarkar & Sons. 19661953.