Dyfyniad APA
BANGS, J. (1991). ASSESS THROUGH TEACHERS, NOT TESTS.
Dyfyniad Arddull Chicago
BANGS, J. ASSESS THROUGH TEACHERS, NOT TESTS. 1991.
Dyfyniad MLA
BANGS, J. ASSESS THROUGH TEACHERS, NOT TESTS. 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.