tregidgo, P. (1962). Practical English Usage for overseas students. Longmans.
Chicago Style (17th ed.) Citationtregidgo, P.S. Practical English Usage for Overseas Students. Longmans, 1962.
MLA (8th ed.) Citationtregidgo, P.S. Practical English Usage for Overseas Students. Longmans, 1962.
Warning: These citations may not always be 100% accurate.