Nicholas, R. W. (1991). Cultures in the curriculum. [s.n.].
Cita Chicago Style (17a ed.)Nicholas, Ralph W. Cultures in the Curriculum. [S.l.]: [s.n.], 1991.
Cita MLA (9a ed.)Nicholas, Ralph W. Cultures in the Curriculum. [s.n.], 1991.
Precaución: Estas citas no son 100% exactas.