Cita APA (7th ed.)

Fries, C. C. (1940). American English grammar: The grammatical structure of present-day American English with special reference to social differences or class dialects. D. Appleton-Century company.

Cita Chicago (17th ed.)

Fries, Charles Carpenter. American English Grammar: The Grammatical Structure of Present-day American English with Special Reference to Social Differences or Class Dialects. New Yok: D. Appleton-Century company, 1940.

Cita MLA (9th ed.)

Fries, Charles Carpenter. American English Grammar: The Grammatical Structure of Present-day American English with Special Reference to Social Differences or Class Dialects. D. Appleton-Century company, 1940.