Ching, E. K., Hong, F. L., & Luis, P. C. (1993). The House of history.
Cita Chicago (17th ed.)Ching, Eric K., Froilan L. Hong, i Prosperidad C. Luis. The House of History. 1993.
Cita MLA (9th ed.)Ching, Eric K., et al. The House of History. 1993.
Atenció: Aquestes cites poden no estar 100% correctes.