(1968). Fifteenth session Pakistan philosophical congress: Rajshahi May 9-11, 1968. M. Saeed Sheikh.
Cita Chicago (17th ed.)Fifteenth Session Pakistan Philosophical Congress: Rajshahi May 9-11, 1968. Lahore: M. Saeed Sheikh, 1968.
Cita MLA (9th ed.)Fifteenth Session Pakistan Philosophical Congress: Rajshahi May 9-11, 1968. M. Saeed Sheikh, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.