APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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