Cita APA

Beskeen, D. W., & David W. Beskeen; Christine Foley; Elizabeth Eisner Reding. (2003). A. Boston,MA: Course Technology.

Chicago Style Citation

Beskeen, David W., i David W. Beskeen; Christine Foley; Elizabeth Eisner Reding. A. Boston,MA: Course Technology, 2003.

Cita MLA

Beskeen, David W., i David W. Beskeen; Christine Foley; Elizabeth Eisner Reding. A. Boston,MA: Course Technology, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.