Poon, M., & Poon, M. N. (1984). The counsel against despair.
Cita Chicago (17th ed.)Poon, M., i M. N.-C Poon. The Counsel Against Despair. 1984.
Cita MLA (9th ed.)Poon, M., i M. N.-C Poon. The Counsel Against Despair. 1984.
Atenció: Aquestes cites poden no estar 100% correctes.