Cita APA

Robert C. Lugton. (1986). American topics: A reading-vocabulary text for speakers of English as a second language. New York: Prentice-Hall Regent.

Citación estilo Chicago

Robert C. Lugton. American Topics: A Reading-vocabulary Text for Speakers of English As a Second Language. New York: Prentice-Hall Regent, 1986.

Cita MLA

Robert C. Lugton. American Topics: A Reading-vocabulary Text for Speakers of English As a Second Language. New York: Prentice-Hall Regent, 1986.