Tohutoro APA (7th ed.)

Gupta, D. B. (1982). A Base book for viva-voce in mathematics: (post graduate classes). Kedar Nath Ram Nath.

Tohutoru Kātū Chicago (17th ed.)

Gupta, Dr. B.D. A Base Book for Viva-voce in Mathematics: (post Graduate Classes). Meerut: Kedar Nath Ram Nath, 1982.

Tohutoro MLA (9th ed.)

Gupta, Dr. B.D. A Base Book for Viva-voce in Mathematics: (post Graduate Classes). Kedar Nath Ram Nath, 1982.