Children may be like sponges when it comes to language learning, but the key to having them develop into active bilinguals in all their languages is to make it fun and useful in the daily life.
Be Bilingual is full of practical and creative ideas, backed up by the latest research, that help families in different multilingual situations make juggling two or more languages an enjoyable experience
published in 2013
Pollock, D. C. and Van Reken, R. E., 1999. Third Culture Kids, The Experience of Growing Up Between Worlds, Boston: Nicolas Brealey Publishing