Dyfyniad APA
Ohles, F., Ohles, S. M., & Ramsay, J. G. (1997). Biographical dictionary of modern American educators. Greenwood Press.
Dyfyniad Arddull Chicago
Ohles, Frederik, Shirley M. Ohles, and John G. Ramsay. Biographical Dictionary of Modern American Educators. Westport, Conn.: Greenwood Press, 1997.
Dyfyniad MLA
Ohles, Frederik, et al. Biographical Dictionary of Modern American Educators. Greenwood Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.