King, H. V. (1967). The verb forms: Lessons and oral drills. Longmans.
Cita Chicago Style (17a ed.)King, Harold V. The Verb Forms: Lessons and Oral Drills. London: Longmans, 1967.
Cita MLA (9a ed.)King, Harold V. The Verb Forms: Lessons and Oral Drills. Longmans, 1967.
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