Said, S. E. (1987). Variation in usage of the present perfect tense in the spoken Spanish of Mexico City. Univ. Microfilms.
Chicago Style (17th ed.) CitationSaid, Sally E. Variation in Usage of the Present Perfect Tense in the Spoken Spanish of Mexico City. Ann Arbor, Mich: Univ. Microfilms, 1987.
MLA (9th ed.) CitationSaid, Sally E. Variation in Usage of the Present Perfect Tense in the Spoken Spanish of Mexico City. Univ. Microfilms, 1987.
Warning: These citations may not always be 100% accurate.