Carter, M. C., & Dlugacz, D. H. (1992). Improving Your Vocabulary: A Quick and Easy Way to Increase Your Word Power. Maine: Bowdoin College.
Dyfyniad Arddull ChicagoCarter, Mildred C., và Dorothy H. Dlugacz. Improving Your Vocabulary: A Quick and Easy Way to Increase Your Word Power. Maine: Bowdoin College, 1992.
Dyfyniad MLACarter, Mildred C., và Dorothy H. Dlugacz. Improving Your Vocabulary: A Quick and Easy Way to Increase Your Word Power. Maine: Bowdoin College, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.