Cita APA

Fries, C. C. n. 1., & Fries, C. C. n. 1. (1954). Teaching and learning English as a forein language. Ann Arbor: University of Michigan.

Citación estilo Chicago

Fries, Charles Carpenter n. 1887, y Charles Carpenter n. 1887 Fries. Teaching and Learning English As a Forein Language. Ann Arbor: University of Michigan, 1954.

Cita MLA

Fries, Charles Carpenter n. 1887, y Charles Carpenter n. 1887 Fries. Teaching and Learning English As a Forein Language. Ann Arbor: University of Michigan, 1954.