Anderson, V. E., & Douglass, H. R. (1947). The high school curriculum. Ronald Press Co.
Dyfyniad Arddull ChicagoAnderson, Vernon E., and Harl R. Douglass. The High School Curriculum. New York: Ronald Press Co, 1947.
Dyfyniad MLAAnderson, Vernon E., and Harl R. Douglass. The High School Curriculum. Ronald Press Co, 1947.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.