Cita APA (7th ed.)

Chastain, K. (1976). Developing second language skill: Theory to practice. Houghton Mifflin.

Cita Chicago (17th ed.)

Chastain, Kenneth. Developing Second Language Skill: Theory to Practice. Dallas: Houghton Mifflin, 1976.

Cita MLA (9th ed.)

Chastain, Kenneth. Developing Second Language Skill: Theory to Practice. Houghton Mifflin, 1976.