Lees, R. B. (1968). The grammar of english nominalizations. Indiana University.
Tohutoru Kātū Chicago (17th ed.)Lees, Robert B. The Grammar of English Nominalizations. Bloomington: Indiana University, 1968.
Tohutoro MLA (9th ed.)Lees, Robert B. The Grammar of English Nominalizations. Indiana University, 1968.
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