California Test Bureau & Fry, E. (1963). Lessons for self-instruction in basic skills: Manual for teachers. California Test Bureau.
Dyfyniad Arddull ChicagoCalifornia Test Bureau and Edward Fry. Lessons for Self-instruction in Basic Skills: Manual for Teachers. Monterey, Calif.: California Test Bureau, 1963.
Dyfyniad MLACalifornia Test Bureau and Edward Fry. Lessons for Self-instruction in Basic Skills: Manual for Teachers. California Test Bureau, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.