(2007). Big questions: Exploring big questions about life. Christian Education Publ.
Citazione stile Chigago Style (17a edizione)Big Questions: Exploring Big Questions About Life. Sydney: Christian Education Publ, 2007.
Citatione MLA (9a ed.)Big Questions: Exploring Big Questions About Life. Christian Education Publ, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.