Cita APA (7th ed.)

EASTON, L. B., KLEIN, M., & ALLEN, H. B. (1984). Expresswaya: A basal language program level 6. The Economy Co.

Cita Chicago (17th ed.)

EASTON, Lois Brown, Marvin KLEIN, i Harold B. ALLEN. Expresswaya: A Basal Language Program Level 6. Oklahoma City: The Economy Co, 1984.

Cita MLA (9th ed.)

EASTON, Lois Brown, et al. Expresswaya: A Basal Language Program Level 6. The Economy Co, 1984.