Philippines. Bureau of Family and Community Welfare. (1991). A Handbook on parent effectiveness service. Bureau of Family and Community Welfare.
Citazione stile Chigago Style (17a edizione)Philippines. Bureau of Family and Community Welfare. A Handbook on Parent Effectiveness Service. [S.l.]: Bureau of Family and Community Welfare, 1991.
Citatione MLA (9a ed.)Philippines. Bureau of Family and Community Welfare. A Handbook on Parent Effectiveness Service. Bureau of Family and Community Welfare, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.