Kindred, L. W. (1981). The Middle school curriculum: A practitioner's handbook. Allyn and Bacon.
Dyfyniad Arddull ChicagoKindred, Leslie W. The Middle School Curriculum: A Practitioner's Handbook. Boston: Allyn and Bacon, 1981.
Dyfyniad MLAKindred, Leslie W. The Middle School Curriculum: A Practitioner's Handbook. Allyn and Bacon, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.