Cita APA (7a ed.)

Bogaard, J. (2000). New Happy Days 2: Teacher´s Guide (1a. ed.). Richmond Publishing.

Cita Chicago Style (17a ed.)

Bogaard, Jeannine. New Happy Days 2: Teacher´s Guide. 1a. ed. Buenos Aires: Richmond Publishing, 2000.

Cita MLA (9a ed.)

Bogaard, Jeannine. New Happy Days 2: Teacher´s Guide. 1a. ed. Richmond Publishing, 2000.