Bernardo, R. M. (1975). Some properties of Tachai-Taching cooperation. Institute of Economic Development and Research, School of Economics, U.P.
Cita Chicago (17th ed.)Bernardo, Roberto M. Some Properties of Tachai-Taching Cooperation. Diliman, Q.C: Institute of Economic Development and Research, School of Economics, U.P, 1975.
Cita MLA (9th ed.)Bernardo, Roberto M. Some Properties of Tachai-Taching Cooperation. Institute of Economic Development and Research, School of Economics, U.P, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.