Bremer, N. H., Prouse, P., Long, G., & Cooke, D. E. (1967). Teacher's guide for Skills in spelling (Paperbound ed., Teacher's ed., annotated and keyed.). McCormick-Mathers Pub. Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Bremer, Neville H., Peter Prouse, Gwendolyn Long, και Dorothy E. Cooke. Teacher's Guide for Skills in Spelling. Paperbound ed., Teacher's ed., annotated and keyed. Wichita, Kan.: McCormick-Mathers Pub. Co., 1967.
Παραπομπή σε μορφή MLA (8th εκδ.)Bremer, Neville H., et al. Teacher's Guide for Skills in Spelling. Paperbound ed., Teacher's ed., annotated and keyed. McCormick-Mathers Pub. Co., 1967.
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