Venable, T. C. (1958). Patterns in secondary school curriculum. New York: Harper & Row.
Dyfyniad Arddull ChicagoVenable, Tom C. Patterns in Secondary School Curriculum. New York: Harper & Row, 1958.
Dyfyniad MLAVenable, Tom C. Patterns in Secondary School Curriculum. New York: Harper & Row, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.