Cita APA

Mellgren, L. (1973). New horizons in English: Workbook 6. (1a. ed.). Estados Unidos: Addison Wesley Publishing Company.

Citación estilo Chicago

Mellgren, Lars. New Horizons in English: Workbook 6. 1a. ed. Estados Unidos: Addison Wesley Publishing Company, 1973.

Cita MLA

Mellgren, Lars. New Horizons in English: Workbook 6. 1a. ed. Estados Unidos: Addison Wesley Publishing Company, 1973.