Quillen, I. J., & Hanna, L. A. (1948). Education for social competence: Curriculum and instruction in secondary-school social studies. Scott, Foresman.
Citazione stile Chigago Style (17a edizione)Quillen, Isaac James, e Lavone Agnes Hanna. Education for Social Competence: Curriculum and Instruction in Secondary-school Social Studies. Chicago: Scott, Foresman, 1948.
Citatione MLA (9a ed.)Quillen, Isaac James, e Lavone Agnes Hanna. Education for Social Competence: Curriculum and Instruction in Secondary-school Social Studies. Scott, Foresman, 1948.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.