Suico, L. V., Gatbonton, A. C., & Umali, A. M. Grandmothers as substitute mothers to their preschool aged grandchildren.
Chicago-viite (17. p.)Suico, Lanore V., Allyson C. Gatbonton, ja April Macan Umali. Grandmothers as Substitute Mothers to Their Preschool Aged Grandchildren. 2009.
MLA-viite (9. p.)Suico, Lanore V., et al. Grandmothers as Substitute Mothers to Their Preschool Aged Grandchildren.
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