Bogaard, J. (2000). New Happy Days 2. Interactive english (1a. ed.). Richmond Publishing.
Chicago-čujuhus (17. p.)Bogaard, Jeannine. New Happy Days 2. Interactive English. 1a. ed. Buenos Aires: Richmond Publishing, 2000.
MLA-čujuhus (9. p.)Bogaard, Jeannine. New Happy Days 2. Interactive English. 1a. ed. Richmond Publishing, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.