393124 De Vos, S. M. The economic old age security value of children in the Philippines and Taiwan in the middle 1970s / [mikrofilem].
Chicago-viite (17. p.)393124 De Vos, Susan Marie. The Economic Old Age Security Value of Children in the Philippines and Taiwan in the Middle 1970s / [mikrofilem].
MLA-viite (9. p.)393124 De Vos, Susan Marie. The Economic Old Age Security Value of Children in the Philippines and Taiwan in the Middle 1970s / [mikrofilem].
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.